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Forum: Film / Developing / Chemistry 3 Weeks Ago
Replies: 10
Views: 262
Posted By Dwig
Be sure to scan at the scanner's maximum...

Be sure to scan at the scanner's maximum resolution even if you don't need that large a file. You are vastly better off downsampling in an image editor (e.g. Ps, ...) afterword.


There is a scanning...
Forum: Digital Printers / Inks / Papers etc 4 Weeks Ago
Replies: 15
Views: 828
Posted By Dwig
Digital image format has nothing to do with this,...

Digital image format has nothing to do with this, at least directly. Pixel count does matter to a modest degree.





With both film and digital there is to "cliff" over which image quality begins to...
Forum: Point-N-Shoot 35mm Cameras 4 Weeks Ago
Replies: 16
Views: 501
Posted By Dwig
I have one, though haven't used it in nearly 20...

I have one, though haven't used it in nearly 20 years.


While it is a light weight very plastic camera, the image quality is excellent.
Forum: Digital Printers / Inks / Papers etc 07-11-2019
Replies: 13
Views: 958
Posted By Dwig
We've made many hundreds of AL prints for our...

We've made many hundreds of AL prints for our gallery (AlanMaltz.com) here in Key West. Alan's taste in color is for modestly bright colors, but nothing "radioactive". We get results similar to our...
Forum: Leica M Film Cameras 06-02-2019
Replies: 17
Views: 777
Posted By Dwig
... and the degree of aerial pollution. I doubt...

... and the degree of aerial pollution. I doubt that there is a major urban area where the pollution correction isn't at least a stop.
Forum: Half Frames / Subminiatures 05-31-2019
Replies: 37
Views: 1,699
Posted By Dwig
I had a Bell & Howell Dial 35, a specially...

I had a Bell & Howell Dial 35, a specially branded version of the Canon Dial 35 II, for a number of years. It handled fine and the spring motor worked well. It was, though, a bit big and heavy...
Forum: Photo Software 05-27-2019
Replies: 5
Views: 428
Posted By Dwig
Save for Web (name varies a bit from version to...

Save for Web (name varies a bit from version to version) is the best approach for this type of export from Ps.



In addition to Larry's recommendations, also pay attention to the color profile and...
Forum: Fuji X Series 05-09-2019
Replies: 10
Views: 478
Posted By Dwig
Chris' and Willie's suggestions are very good. I...

Chris' and Willie's suggestions are very good. I can only add that with heavily textured oil paintings you want to use the longest FL lens practical. A 50mm lens on APS-c is good, but a ~100mm lens...
Forum: Scanners / Scanner Software 04-22-2019
Replies: 20
Views: 807
Posted By Dwig
It's a bit of a vague question you've posed and...

It's a bit of a vague question you've posed and it's not likely to get much in the way of useable answers.


Win7 and Win10 are both members of the "Windows NT v6.x" family. Most software, even basic...
Forum: DIYS Modifications 04-08-2019
Replies: 15
Views: 554
Posted By Dwig
Agreed Masking the film gate is only necessary...

Agreed


Masking the film gate is only necessary when sending the film to a lab that supports printing the old (read: antique) Kodak panoramic format.


My vote for marking the screen is to use some...
Forum: Scanners / Scanner Software 03-22-2019
Replies: 11
Views: 661
Posted By Dwig
@OP: If you are using EPSON Scan, you may have...

@OP: If you are using EPSON Scan, you may have failed to set the film size correctly. The control is manual and located "in a locked filing cabinet in a disused man's lavatory with a sign on the door...
Forum: Photography General Interest 01-22-2019
Replies: 17
Views: 729
Posted By Dwig
BTW, one app that I used for some experiments is...

BTW, one app that I used for some experiments is StereoMaker: http://stereo.jpn.org/eng/stphmkr/
Forum: Photography General Interest 01-22-2019
Replies: 17
Views: 729
Posted By Dwig
I did a bunch of 3D about a decade ago. I enjoyed...

I did a bunch of 3D about a decade ago. I enjoyed it, making cards in the American conventional size for Holmes type ("frame on a stick") viewers.

I bought lenses and viewers from Berezin (...
Forum: Leica M -- Leica CL / Minolta CLE - Film 01-12-2019
Replies: 3
Views: 674
Posted By Dwig
Since the non-flash images are fine, the shutter...

Since the non-flash images are fine, the shutter is opening all the way. That part of the image is blank indicates that the second shutter blade set has already closed part way when the flash fires....
Forum: SLRs - the unRF 01-06-2019
Replies: 41
Views: 1,422
Posted By Dwig
One aspect of these lenses derives from Nikon's...

One aspect of these lenses derives from Nikon's paranoia when designing the F-mount. Lens mounts had common issues back in the day. Nikon wanted to avoid the problems they'd had to work around or...
Forum: SLRs - the unRF 01-06-2019
Replies: 41
Views: 1,422
Posted By Dwig
There are a few lenses from the mid-60s to...

There are a few lenses from the mid-60s to early-70s where light baffles came into conflict with some Ai bodies. These included some 28mm f/3.5 and 35mm f/1.4 lens, along with some others. I used to...
Forum: SLRs - the unRF 01-05-2019
Replies: 41
Views: 1,422
Posted By Dwig
Those early lenses that don't have visible screws...

Those early lenses that don't have visible screws on the mount flange have f/stop rings that screw on to the barrel with rather fine threads. With some samples, it is possible to remove the screw on...
Forum: Analog DarkRoom / Printing 12-06-2018
Replies: 22
Views: 1,219
Posted By Dwig
it might seem to be a drawback now, but...

it might seem to be a drawback now, but back-in-the-day it was an extreme advantage.

It means that there is little of the lower end of the spectrum present during focusing. B&W paper doesn't see...
Forum: SLRs - the unRF 11-28-2018
Replies: 6
Views: 380
Posted By Dwig
The difference is extremely important. The...

The difference is extremely important.

The original auto-compensating version will not play well with TTL meters, though it was handy when using an external meter. When Nikon introduced TTL metering...
Forum: SLRs - the unRF 11-20-2018
Replies: 12
Views: 405
Posted By Dwig
... which is not present on most Vivitar M42...

... which is not present on most Vivitar M42 lenses. In fact, most non-Takumar lenses made after the early to mid 1960s lack the function as they expected the body to have a stop-down metering...
Forum: Rangefinder Photography Discussion 11-15-2018
Replies: 112
Views: 2,943
Posted By Dwig
Nope, they are not truly "retrofocus". Instead,...

Nope, they are not truly "retrofocus". Instead, they are telecentric, or at least partially so. This does result in rather complex optical designs, but it eliminates, or at least massively reduces,...
Forum: Image Processing: Darkroom / Lightroom / Film 11-03-2018
Replies: 2
Views: 2,733
Posted By Dwig
Brown stains are often caused by exhausted...

Brown stains are often caused by exhausted developer. It can be from developer on the tongs that has been exposed to air too long and then transferred to the print.


If the "stains" match the...
Forum: Photography General Interest 10-29-2018
Replies: 24
Views: 814
Posted By Dwig
The "longevity", or to say "reliability after 30...

The "longevity", or to say "reliability after 30 years" as opposed to "reliability at the time they were on the market", of the low end cameras from the 1970s & 1980s may well be lower than those...
Forum: Photography General Interest 10-27-2018
Replies: 9
Views: 1,018
Posted By Dwig
The "30mm" is likely the outside diameter and the...

The "30mm" is likely the outside diameter and the Agfa filters are likely slip-on.
This clearly indicate "outside diameter" so it is not a size for screw-in filters, but instead for slip-on...
Forum: Leica Screw Mount / LTM Cameras 10-19-2018
Replies: 5
Views: 707
Posted By Dwig
While there may be some lenses converted from...

While there may be some lenses converted from Ektar mount to LTM, a number were made in LTM originally.


During WWII, the US Signal Corps commissioned designs for a Leica copy to fill the void left...
Forum: SLRs - the unRF 10-17-2018
Replies: 18
Views: 720
Posted By Dwig
More correctly, it is a "Nikon F Photomic FTn"...

More correctly, it is a "Nikon F Photomic FTn" and was made in the early '70s.


Judging from the strap lugs, it is from the earlier range of the "Apollo" variants. The lugs are still the original F...
Forum: Photo Software 10-11-2018
Replies: 11
Views: 692
Posted By Dwig
Your "understanding" is incorrect. Lr can work...

Your "understanding" is incorrect.

Lr can work just fine with JPEGs. That said, you are far better off using TIFFs saved directly from your scanning software instead.

JPEGs use a lossy compression....
Forum: SLRs - the unRF 10-04-2018
Replies: 18
Views: 641
Posted By Dwig
Second shot is definitely an FTbn, given the more...

Second shot is definitely an FTbn, given the more compact self timer / stopdown lever.
Forum: Rangefinder Photography Discussion 09-30-2018
Replies: 29
Views: 1,046
Posted By Dwig
Yeah, I'm dyslexic and amoung other issues, I...

Yeah, I'm dyslexic and amoung other issues, I frequently confuse left and right. My bad.
Forum: Rangefinder Photography Discussion 09-30-2018
Replies: 29
Views: 1,046
Posted By Dwig
Wrong. It is not an RF vs SLR attribute. Many...

Wrong. It is not an RF vs SLR attribute.



Many RFs center the lens, generally fixed lens leaf shuttered models. Also some SLRs place the lens as far to the rewinds side as a Leica M; examples...
Forum: Rangefinder Photography Discussion 09-30-2018
Replies: 29
Views: 1,046
Posted By Dwig
The "best" technique is that the right hand holds...

The "best" technique is that the right hand holds the lens from underneath and lets the body rest in its palm. The left hand grips the body so that the left index finger can squeeze down on the...
Forum: Rangefinder Photography Discussion 09-29-2018
Replies: 29
Views: 1,046
Posted By Dwig
The OM series is almost exactly the same size as...

The OM series is almost exactly the same size as the Leica M series, but IMO the OMs are significantly less easy to handle.

While the width, the baseplate-to-top (excluding the pentaprism point),...
Forum: Large Format Film RF 09-29-2018
Replies: 19
Views: 991
Posted By Dwig
Another vote for the Angulon. It covers 4x5...

Another vote for the Angulon.


It covers 4x5 very well, though doesn't have near as much "extra" coverage as the Super-Angulon so movements are more limited. It does produce noticeably more even...
Forum: SLRs - the unRF 09-25-2018
Replies: 7
Views: 452
Posted By Dwig
In the Nikon F, F2, & F3, framing accuracy and...

In the Nikon F, F2, & F3, framing accuracy and focus accuracy is controlled by the body and not the focusing screen. There is a "mask" in the body that does this. The screens are oversized and their...
Forum: RFF Polls 09-19-2018
Replies: 144
Views: 24,084
Posted By Dwig
Step #1, of course, is to meticuliously clean the...

Step #1, of course, is to meticuliously clean the lens cap(s). You don't want to dump dust and grit from a dirty cap onto a cleaned lens.
Forum: Photography General Interest 09-14-2018
Replies: 18
Views: 697
Posted By Dwig
Actually, that is only half of the real science....

Actually, that is only half of the real science. There is an equally large, if not larger, field of study involving the perception of light. So we have physicists studying light and we have...
Forum: Photography General Interest 09-13-2018
Replies: 12
Views: 603
Posted By Dwig
I agree that using, or at least mentioning, the...

I agree that using, or at least mentioning, the term used at the time of these cameras would improve the page.


I noticed another "error", though very hidden. The URL references "135" instead of...
Forum: Analog DarkRoom / Printing 09-06-2018
Replies: 22
Views: 1,219
Posted By Dwig
I used one of those back-in-the-day. Graflargers...

I used one of those back-in-the-day.

Graflargers were cold light diffusion systems. Illuminations was very even and the print times were very reasonable. Mine fit a standard Graflok back, with the...
Forum: Fixed Lens 35mm RF 08-30-2018
Replies: 18
Views: 1,452
Posted By Dwig
... and when doing a test like this with a camera...

... and when doing a test like this with a camera that uses a needle for exposure display you need to test with the camera orientated in several positions. A basic test would be:
1. horizontal...
Forum: Film / Developing / Chemistry 07-13-2018
Replies: 12
Views: 560
Posted By Dwig
Pick one film, one developer, and then put on...

Pick one film, one developer, and then put on "blinders" and totally ignore any and all other options until you get very very good results using that one film and developer.


Long ago and far away,...
Forum: RFF Polls 07-13-2018
Replies: 71
Views: 2,266
Posted By Dwig
I'm in the (unappreciated) 65-74 age group so...

I'm in the (unappreciated) 65-74 age group so didn't vote.


Since my high quality photo printer came to the end of its life a year ago, I haven't been printing my personal work very much. But on the...
Forum: SLRs - the unRF 07-12-2018
Replies: 55
Views: 1,685
Posted By Dwig
My vote goes to the Pentax Spotmatic F, with the...

My vote goes to the Pentax Spotmatic F, with the other earlier Spotmatic variants as honorable mentions.
Forum: Photography General Interest 07-07-2018
Replies: 11
Views: 737
Posted By Dwig
It definitely looks like a DKL, though there are...

It definitely looks like a DKL, though there are a number of different variations. This looks like the Edixa variant due to the V notch just clockwise from the square notch for the mount latch. The...
Forum: Photo Software 07-02-2018
Replies: 21
Views: 1,574
Posted By Dwig
Check your Adjustment Brush settings. i've had...

Check your Adjustment Brush settings. i've had some odd and very messy results when "Auto Mask" is checked.
Forum: SLRs - the unRF 07-01-2018
Replies: 7
Views: 536
Posted By Dwig
The grey is perfectly "in character" for the...

The grey is perfectly "in character" for the vintage.

The first Nikon "hot shoe" was a proprietary design, long before standardization of such things. It is found on the later S-series RFs. At that...
Forum: Half Frames / Subminiatures 06-19-2018
Replies: 16
Views: 1,498
Posted By Dwig
The Rollei A110 is certainly one of the better...

The Rollei A110 is certainly one of the better 110 cameras, though there were a number in the day. My pick for the best is the Minox 110 S, a true RF. Back in the mid-70s I made several good B&W...
Forum: Repair / Camera Care 06-19-2018
Replies: 6
Views: 712
Posted By Dwig
Perhaps it is a left handed (reversed thread)...

Perhaps it is a left handed (reversed thread) screw.
Forum: SLRs - the unRF 06-16-2018
Replies: 77
Views: 3,894
Posted By Dwig
I recommend the Lithium version, if only because...

I recommend the Lithium version, if only because it doesn't leak as it dies. Both silver oxide and alkaline will leak and can damage the battery contacts. I switched to the CR1/3N in my old F2...
Forum: Scanners / Scanner Software 06-16-2018
Replies: 10
Views: 1,018
Posted By Dwig
@OP: Caution should be exercised when considering...

@OP:
Caution should be exercised when considering a used scanner, particularly a dedicated film scanner. Many of these use interfaces (e.g. SCSI, FireWire, ...) that may not be present on modern...
Forum: Photography General Interest 06-15-2018
Replies: 4
Views: 493
Posted By Dwig
They should have created a "WL finder" that...

They should have created a "WL finder" that opened to create a roof garden.
Forum: Analog DarkRoom / Printing 06-11-2018
Replies: 16
Views: 883
Posted By Dwig
They are/were "Nikor" reels and tanks, and Nikon...

They are/were "Nikor" reels and tanks, and Nikon Inc. (nee Nippon Kogaku) had absolutely nothing to do with their manufacture.


For ages, I used a mix of real Nikor reels (35mm 20exp, 35mm 36exp &...
Forum: Scanners / Scanner Software 06-03-2018
Replies: 35
Views: 1,923
Posted By Dwig
No. Just because a lens focuses to 1:1 on its...

No.


Just because a lens focuses to 1:1 on its own doesn't mean that it is "better" than one limited to 1:2 natively if you also use a proper extension tube to get 1:1.
Forum: Scanners / Scanner Software 06-03-2018
Replies: 35
Views: 1,923
Posted By Dwig
It all depends on the relative sizes of the...

It all depends on the relative sizes of the sensor and the original film.


If you are using a "full frame" digital camera and duping 35mm full frame originals, then you need to be duping at near...
Forum: Scanners / Scanner Software 06-02-2018
Replies: 35
Views: 1,923
Posted By Dwig
For duping, whether digitizing film or copying...

For duping, whether digitizing film or copying reflective print, longer focal lengths both help and hurt.
Cons:

Longer FLs mean more stability issues due to the physically greater body to lens...
Forum: Leica M Film Cameras 05-27-2018
Replies: 8
Views: 474
Posted By Dwig
It's hard to pin down, but it is at a level of...

It's hard to pin down, but it is at a level of the upper sprocket holes. Also, the pattern of "images" of sprocket holes indicates that it near the takeup spool as one layer of film is masking a...
Forum: Leica M Lenses and Images 05-19-2018
Replies: 11
Views: 732
Posted By Dwig
That's only 1/2 the equation. These are darkroom...

That's only 1/2 the equation. These are darkroom enlargements so there are 2 lenses at play, not one.


Judging from the bleed of the dark areas around the edge of the frame, I suspect the dominant...
Forum: Zeiss Contax 05-01-2018
Replies: 9
Views: 689
Posted By Dwig
It looks like an aftermarket accessory. It would...

It looks like an aftermarket accessory. It would seem that it would help wind and to change shutter speeds while wearing heavy gloves. I suspect that it was not a Zeiss product.
Forum: Other RF 04-28-2018
Replies: 6
Views: 576
Posted By Dwig
Yup, good catch. Fat typing fingers to blame (and...

Yup, good catch. Fat typing fingers to blame (and substituting the 44mm of the Miranda thread when I all too quickly proofread my post). The T thread is the same diameter as the Praktika/Pentax M42...
Forum: Other RF 04-28-2018
Replies: 6
Views: 576
Posted By Dwig
It looks like a T-2 mount lens with an Exakta...

It looks like a T-2 mount lens with an Exakta adapter, though it could be aligned forTopcon. If it is a T-2 mount lens, the rear knurled band is part of the adapter and the adapter will screw off...
Forum: Zeiss Contax 04-26-2018
Replies: 27
Views: 1,416
Posted By Dwig
I've never handled one, but from the pix my guess...

I've never handled one, but from the pix my guess would be that tear down begins from the rear, with removal of the VF section being the first step. Basically, you don't remove the lens from the...
Forum: Scanners / Scanner Software 04-25-2018
Replies: 28
Views: 1,736
Posted By Dwig
It's my understanding that the lenses on both the...

It's my understanding that the lenses on both the v700 and v750 were both coated and that it was the flat glass panel that was coated only on the v750. The other difference was the v750 had provision...
Forum: Leica M Lenses and Images 04-24-2018
Replies: 11
Views: 648
Posted By Dwig
... and a quite ineffective method. While he...

... and a quite ineffective method. While he retouched out the last few digits on the pic of the front of the lens and covered the first few with his thumb, he totally overlooked the machine readable...
Forum: Scanners / Scanner Software 04-24-2018
Replies: 28
Views: 1,736
Posted By Dwig
A very good choice, particularly for medium...

A very good choice, particularly for medium format.

Epson's EPSONscan software is very good. For a first time scanner user I highly recommend that you stick with it, at least until you get to the...
Forum: Photography General Interest 04-23-2018
Replies: 38
Views: 841
Posted By Dwig
I've never heard of any that had a user option...

I've never heard of any that had a user option like that.

The DX Code system does support an exposure tolerance factor with 4 options. Whether or not any camera ever made use of it is another...
Forum: Leica M Film Cameras 04-22-2018
Replies: 5
Views: 452
Posted By Dwig
+1 This is not an issue with the overall shutter...

+1

This is not an issue with the overall shutter speed accuracy, but is instead an issue with the curtain travel. Uneven curtain speeds will cause uneven exposure. Since this is an absolute amount...
Forum: Hardware / Computers / Drives / etc 04-17-2018
Replies: 27
Views: 1,884
Posted By Dwig
With Windows or macOS, and I assume most Linus...

With Windows or macOS, and I assume most Linus distros, it is extremely easy. Simply acquire (beg, steal, borrow, or buy) an external USB DVD-r drive and plug it in. They're actually rather...
Forum: Image Processing: Darkroom / Lightroom / Film 04-16-2018
Replies: 17
Views: 1,666
Posted By Dwig
Print papers, especially color papers, do not...

Print papers, especially color papers, do not hold much resolution. No matter how well the print was made and no matter how good the scan is, the final print can't be made to seem sharp at any size...
Forum: Leica M Film Cameras 04-15-2018
Replies: 11
Views: 706
Posted By Dwig
++1, IMHO this is an essential accessory for...

++1, IMHO this is an essential accessory for anyone using PC type sync cords.
Forum: Hardware / Computers / Drives / etc 04-15-2018
Replies: 27
Views: 1,884
Posted By Dwig
I'm using one of those to connect our Imacon 848...

I'm using one of those to connect our Imacon 848 scanner to our Late 2015 iMac's Thunderbolt port. It works perfectly well with the 848 and Hasselblad's FlexColor scanning software.

The adapters are...
Forum: Hardware / Computers / Drives / etc 04-15-2018
Replies: 6
Views: 687
Posted By Dwig
Some of the external USB 2.0 HDDs that I have use...

Some of the external USB 2.0 HDDs that I have use mini-B connectors, some use micro-B, and one very old one uses the original full-size B (typically seen on printers). There's no way to know which...
Forum: Business / Philosophy of Photography 04-10-2018
Replies: 6
Views: 867
Posted By Dwig
From this page at the LoC...

From this page at the LoC (https://www.loc.gov/rr/print/res/155_wide.html), it would seem that "Wild World" is now owned by the Associated Press. The LoC page has contact info for the AP.

Perhaps...
Forum: Micro 4/3 Cameras Olympus Panasonic 04-07-2018
Replies: 30
Views: 1,940
Posted By Dwig
I have, and still use, a Pany G-1. I have the...

I have, and still use, a Pany G-1. I have the original 14-45 kit zoom which is excellent, far better than the first of the 14-42 lenses that replace it on the G-2.

The only issue I have the the old...
Forum: SLRs - the unRF 04-06-2018
Replies: 87
Views: 3,154
Posted By Dwig
Actually, the original F-1 and its tweaked "n"...

Actually, the original F-1 and its tweaked "n" updated brother had "hot shoes", just not ISO standard shoes. Like the Nikon F & F2 they had a shoe at the base of the rewind with an electrical...
Forum: Leica M Film Cameras 04-05-2018
Replies: 5
Views: 491
Posted By Dwig
+1 Theoretically, there is a 1/6th stop...

+1

Theoretically, there is a 1/6th stop difference. The actual light transmission (e.g. T-stop) is more important and 1/6 stop is less than the round off accuracy for ISO film speeds.
Forum: Photography General Interest 04-05-2018
Replies: 42
Views: 2,057
Posted By Dwig
There were a number of cameras that had only one...

There were a number of cameras that had only one DX contact. These were all P&S models that were targeted at "snapshooters". They only supported 2 ISOs, 100 and 400. The contacts would read the 400...
Forum: Scanners / Scanner Software 04-04-2018
Replies: 5
Views: 608
Posted By Dwig
I do this as well, with one exception. Every so...

I do this as well, with one exception. Every so often, particularily with old grainy B&W, I find that I need to use a somewhat different resolution.

There can be interference between the frequency...
Forum: Photography General Interest 03-30-2018
Replies: 21
Views: 887
Posted By Dwig
With modern Lithium battery variants, my vote...

With modern Lithium battery variants, my vote would be "in" for a mere handfull of months of storage. See that it is reasonably well charged just before you leave.
Forum: Rangefinder Photography Discussion 03-29-2018
Replies: 49
Views: 1,593
Posted By Dwig
Actually, they are not identical. The original...

Actually, they are not identical. The original A.S.A spec. was based on technical specifications, but the numbering system derived from the old seat-of-the-pants system used on earlier cameras like...
Forum: Rangefinder Photography Discussion 03-29-2018
Replies: 49
Views: 1,593
Posted By Dwig
Chalk that up to aerial pollution. When applying...

Chalk that up to aerial pollution. When applying the Sunny-16 rule you need to keep in mind that in all modern major metropolitan areas the brightest you ever get is "hazy bright / f/11", and that's...
Forum: Rangefinder Photography Discussion 03-27-2018
Replies: 49
Views: 1,593
Posted By Dwig
While opening up 1/2 stop would, in theory at...

While opening up 1/2 stop would, in theory at least, improve the accuracy, the correct correction would be to open up 1/3 stop. The 1/3 stop increments for shutter speeds are 1/250, 1/320, 1/400,...
Forum: W/NW Words no Words. 03-25-2018
Replies: 12
Views: 827
Posted By Dwig
Key West FL - small march (1,000 or so), but it's...

Key West FL - small march (1,000 or so), but it's a small town. Still, we spanned about 3 blocks as we marched down Duval St., from the Atlantic coast all the way across Florida to the Gulf of Mexico...
Forum: SLRs - the unRF 03-25-2018
Replies: 68
Views: 3,982
Posted By Dwig
Given you like the Contax II and the Canon 7,...

Given you like the Contax II and the Canon 7, along with preferring metal shutters, I would say the closest you'll find in a SLR would be a plain prism Nikon F.
Forum: Repair / Camera Care 03-24-2018
Replies: 26
Views: 1,865
Posted By Dwig
You're quite right. It only works with CRT TVs...

You're quite right. It only works with CRT TVs and works best with B&W TVs. It requires some different math with computer driven CRTs as the scan frequency will be different than the old broadcast...
Forum: Optics Theory - 03-23-2018
Replies: 12
Views: 2,055
Posted By Dwig
Classic "convertible" lenses, as opposed to...

Classic "convertible" lenses, as opposed to interchangeable component lens sets that have been tagged as convertible in recent times, are lenses where the basic form uses the complete lens (all...
Forum: Optics Theory - 03-23-2018
Replies: 12
Views: 2,055
Posted By Dwig
The "why" is very very simple. They were done...

The "why" is very very simple. They were done that way so that the shutter and its complex connections to the body (focusing, cocking, release, ...) could be permanently attached. It also had the...
Forum: Canon Rangefinders - Peter Dechert and Peter Kitchingman 03-20-2018
Replies: 8
Views: 1,960
Posted By Dwig
A is on the ring with the f/stops and GNs, not...

A is on the ring with the f/stops and GNs, not the "speed dial".
A = "Automatic", not "Aperture Priority". Automatic happens to be shutter priority, BTW.
Power to the meter is turned off when an...
Forum: Canon Rangefinders - Peter Dechert and Peter Kitchingman 03-19-2018
Replies: 8
Views: 1,960
Posted By Dwig
There is no aperture priority option on a QL-17,...

There is no aperture priority option on a QL-17, any version.

The options are:

1. Shutter priority: (when the A is set and no Canonlite D is mounted and on)
2. Manual: when f/stop and shutter speed...
Forum: Xpan & Other Panoramics 03-18-2018
Replies: 26
Views: 1,224
Posted By Dwig
they used 3 approaches: "Banquet" cameras -...

they used 3 approaches:
"Banquet" cameras - these were a large format wide aspect camera, much in the same vein as a modern 6x12 or 6x17 medium format camera.
Swing lens cameras (Kodak Panoram...
Forum: Scanners / Scanner Software 03-17-2018
Replies: 41
Views: 1,806
Posted By Dwig
The hybrid fim/digital approach does removed, or...

The hybrid fim/digital approach does removed, or at least massively reduce, the tonal differences between various film/developer combinations. Differences in resolution and grain are still present....
Forum: Photography General Interest 03-15-2018
Replies: 20
Views: 761
Posted By Dwig
For me: #1 - reliability #2 - speed - keep in...

For me:
#1 - reliability
#2 - speed - keep in mind that even if you don't need the fastest write speed because your camera can't take advantage of it and/or you shooting habits don't demand it, the...
Forum: Film / Developing / Chemistry 03-14-2018
Replies: 11
Views: 683
Posted By Dwig
Dust on the surface of the lightbox used during...

Dust on the surface of the lightbox used during the "scan" can produce this type of result if you are foolish enough to place it close to the film so that its surface is reasonably in focus.
Forum: Film / Developing / Chemistry 02-24-2018
Replies: 62
Views: 2,246
Posted By Dwig
In addition to the 4 Kodak films on the...

In addition to the 4 Kodak films on the survey:

Kodak:
Verichrome Pan, Royal X Pan, Plus-X Professional, Tech Pan, High Constrast Copy Film (processed for TP like continuous tone)

Polaroid:
T107,...
Forum: Xpan & Other Panoramics 02-23-2018
Replies: 26
Views: 1,224
Posted By Dwig
Although while his discussion centers on...

Although while his discussion centers on delivery, all of the trademarked systems mentioned in the fourth paragraph specify both capture and deliver methods. Today, almost all of these are gone, with...
Forum: Analog DarkRoom / Printing 02-21-2018
Replies: 11
Views: 844
Posted By Dwig
I agree. You may find a somewhat different...

I agree.

You may find a somewhat different dilution works best for you. The nature of your water supply has some influence. As a general rule, you want the weakest solution that successfully keeps...
Forum: SLRs - the unRF 02-14-2018
Replies: 15
Views: 832
Posted By Dwig
The first version of the 50mm f/1.8 Ai-S would...

The first version of the 50mm f/1.8 Ai-S would get my vote. The last 50mm f/2.0, which was Ai, would be a very very close second only because it is Ai and not Ai-S. The previous 50mm f/2.0 (rubber...
Forum: Film / Developing / Chemistry 02-05-2018
Replies: 11
Views: 720
Posted By Dwig
Back when I bulk loaded film (long ago and far...

Back when I bulk loaded film (long ago and far away...), I found "office" tapes a poor choice. I experimented around and found that the "freezer tape" that was sold in my grocery store was perfect....
Forum: Analog DarkRoom / Printing 02-02-2018
Replies: 9
Views: 1,232
Posted By Dwig
A: While most dichroic color heads are also...

A: While most dichroic color heads are also diffusion heads, this is not universally the case. Notably, Beseler offered dichroic heads for the 23c II series that could be used with a diffusion...
Forum: Large Format Film RF 01-27-2018
Replies: 14
Views: 1,217
Posted By Dwig
This implies that the focusing cam in the RF is...

This implies that the focusing cam in the RF is not correct for the lens FL in use.

There is no way to adjust the top mounted RFs for different focal lengths. You can adjust the infinity stops on...
Forum: Scanners / Scanner Software 01-22-2018
Replies: 7
Views: 733
Posted By Dwig
"it" was a driver, not an application, so of...

"it" was a driver, not an application, so of course, "it" was not in your Applications folder.

EPSONscan is, apparantly, not available for you old scanner on High Sierra. EPSON supplies a driver for...
Forum: Scanners / Scanner Software 01-22-2018
Replies: 7
Views: 733
Posted By Dwig
"it" was a driver, not an application, so of...

"it" was a driver, not an application, so of course, "it" was not in your Applications folder.

EPSONscan is, apparantly, not available for you old scanner on High Sierra. EPSON supplies a driver for...
Forum: Film / Developing / Chemistry 01-22-2018
Replies: 20
Views: 1,044
Posted By Dwig
twice according to the lore. It seems when Edmond...

twice according to the lore. It seems when Edmond Halley, of Halley's Comet fame, finally succeeded in pushing Newton to publish his work, Newton had forgotten the exact method he had used to develop...
Forum: Scanners / Scanner Software 01-21-2018
Replies: 7
Views: 733
Posted By Dwig
What scanning software are you trying to use??

What scanning software are you trying to use??
Forum: Film / Developing / Chemistry 01-21-2018
Replies: 20
Views: 1,044
Posted By Dwig
+1 I suggest that the OP look at the negs very...

+1

I suggest that the OP look at the negs very very carefully with at least an 8x lupe to see if there is any visible trace of these marks on the negs themselves.

This looks like Newton Rings...
Forum: Technique: How To Shoot It 01-20-2018
Replies: 29
Views: 1,776
Posted By Dwig
Correct, but... ... one must keep in mind that...

Correct, but...

... one must keep in mind that "what the eye sees" is a euphemism for "the result of your brain's computer processing". To replicate this in the OPs situation you need:

1. small...
Forum: Scanners / Scanner Software 01-16-2018
Replies: 15
Views: 1,357
Posted By Dwig
This is true of Digital ICE, but not of all "dust...

This is true of Digital ICE, but not of all "dust reduction" functions. With the Digital ICE compatible EPSON scanners and their EPSONscan software you have two dust reduction options, one using ICE...
Forum: Scanners / Scanner Software 01-16-2018
Replies: 15
Views: 1,357
Posted By Dwig
+1, this will frequently happen with relatively...

+1, this will frequently happen with relatively grainy negatives. With any modern ISO 400+ film and many old negs on slower films, you can run into this issue. I first encountered with when scanning...
Forum: Leica M Film Cameras 12-31-2017
Replies: 10
Views: 1,246
Posted By Dwig
Very good info. It should be noted that true M...

Very good info.

It should be noted that true M class bulbs will not work well at the higher speeds with FP shutters, especially those with slow X-sync speeds. The old M3 bulbs, while officially...
Forum: Leica M Film Cameras 12-30-2017
Replies: 10
Views: 1,246
Posted By Dwig
The primary reason is that a HSS flash mode can't...

The primary reason is that a HSS flash mode can't work with X-sync. It needs its own special sync timing where the flash is triggered when the first curtain starts to open.

With X-sync, the flash it...
Forum: Scanners / Scanner Software 12-27-2017
Replies: 1
Views: 697
Posted By Dwig
The default application that ships with all EPSON...

The default application that ships with all EPSON scanners, EPSONscan, has 3 different operational modes and a number of configuration options. I've used it for well over a decade and always found...
Forum: SLRs - the unRF 12-23-2017
Replies: 22
Views: 2,005
Posted By Dwig
Notes: There should be a gap between the...

Notes:

There should be a gap between the finder and the body, though it should be small (~0.7-1 mm) and uniform. The finder's springs should push the screen down to keep it tightly seated. There...
Forum: Analog DarkRoom / Printing 12-21-2017
Replies: 23
Views: 1,266
Posted By Dwig
Quite likely it did. Shaking usually increases...

Quite likely it did. Shaking usually increases the amount of dissolved air. The oxygen in the air will accelerate the oxidation of the developer. Bond may prefer his martinis shaken, not stirred, but...
Forum: Repair / Camera Care 12-19-2017
Replies: 10
Views: 1,136
Posted By Dwig
While doing it, keep in mind that the issue might...

While doing it, keep in mind that the issue might be very sticky foam light/dust seals on the back.

I've encountered this a number of times on various cameras. Pulling up the rewind know to operate...
Forum: 120 film RF Folders 12-06-2017
Replies: 11
Views: 1,390
Posted By Dwig
The size range was my guess based on past...

The size range was my guess based on past experience (decades of using and selling the things). There are a number of manufacturers and they were commonly available for nearly a half century, hence...
Forum: 120 film RF Folders 12-06-2017
Replies: 11
Views: 1,390
Posted By Dwig
Series filters were sized in inches, not metric....

Series filters were sized in inches, not metric. The Series VI filters are roughly 41.3mm in diameter and are unthreaded disks. They almost always have a metal band around the outside to protect the...
Forum: DIYS Modifications 12-06-2017
Replies: 2
Views: 1,631
Posted By Dwig
It would be possible if the pressure plate has...

It would be possible if the pressure plate has adequate travel.

You would need to shim both the two film rails (the inner pair) and the pressure plates rails (outer pair) an equal amount. The outer...
Forum: 120 film RF Folders 12-05-2017
Replies: 11
Views: 1,390
Posted By Dwig
I expect that what threads you may see are those...

I expect that what threads you may see are those for the retaining ring for the front element and were not ever intended for attaching accessories.

Filters were almost certainly the slip-on kind...
Forum: Photography General Interest 12-03-2017
Replies: 42
Views: 2,057
Posted By Dwig
Preface: one, all of these numbers get rounded...

Preface: one, all of these numbers get rounded off to neat values as excessively high precision is pointless. Two, the standard is to measure and label ISOs rounded to the nearest 1/3 stop...
Forum: Photography General Interest 12-01-2017
Replies: 42
Views: 2,057
Posted By Dwig
Actually, it is more like 1-1/3 stop from...

Actually, it is more like 1-1/3 stop from 1/125.



Usually, the shutter speeds will fit into one of the several conventional progressions, but the top speed is often whatever the shutter can deliver...
Forum: RFF News 12-01-2017
Replies: 85
Views: 6,853
Posted By Dwig
Personally, I like that the default is black text...

Personally, I like that the default is black text on white. What I want is a choice of a modest number of "themes" that would include white on black.

There are several forums that I frequent that...
Forum: RFF News 11-30-2017
Replies: 85
Views: 6,853
Posted By Dwig
The behavior of the "Browse" tab is really...

The behavior of the "Browse" tab is really annoying.

the submenu appears when you roll-over the Browse tab, but when you click on it the submenu disappears and focus returns to the RFFPortal tab....
Forum: Zeiss Contax 11-29-2017
Replies: 7
Views: 1,141
Posted By Dwig
You may find that a lupe held against the film...

You may find that a lupe held against the film rails will help. That or some +3 reading glasses from the drug/dollar store. The latter is one of my pet things for such detail work these days. I...
Forum: SLRs - the unRF 11-29-2017
Replies: 9
Views: 1,080
Posted By Dwig
Usually matching screens and very similar screens...

Usually matching screens and very similar screens will interchange between F3 frames and F2 vintage F/F2 frames. Any screen where the focal length of the thick glass condenser lens differs will not...
Forum: SLRs - the unRF 11-28-2017
Replies: 9
Views: 1,080
Posted By Dwig
You can do it, but the very often don't fit...

You can do it, but the very often don't fit properly. The curve of the top condenser lens is not always a match to the curve in the metal frame that it seats against.

The best way to accomplish what...
Forum: Photo Accessories / Bags/ Meters / Tripods etc 11-27-2017
Replies: 1
Views: 768
Posted By Dwig
You need a Nikon SC-11 or SC-15 sync cord, or a...

You need a Nikon SC-11 or SC-15 sync cord, or a 3rd party equivalent, to connect the flash's sync terminal to the PC connection on the Hassey's lens. You could also use a generic hot-shoe to PC...
Forum: TLR Forum - Twin Lens Reflex 11-26-2017
Replies: 4
Views: 947
Posted By Dwig
No, the "pressure plate" doesn't come in contact...

No, the "pressure plate" doesn't come in contact with the film. One, the body casting is designed to hold the pressure plate back slightly, leaving a channel for the film to pass. Two, the paper...
Forum: Photo Accessories / Bags/ Meters / Tripods etc 11-21-2017
Replies: 28
Views: 1,678
Posted By Dwig
Same here. I properly designed camera in proper...

Same here.

I properly designed camera in proper condition (e.g. Leica M, Nikon just about any, my Pany G-1, ...) will, when used properly, perform better with less vibration makes than with any...
Forum: Photo Accessories / Bags/ Meters / Tripods etc 11-20-2017
Replies: 28
Views: 1,678
Posted By Dwig
Naked, except for a strap, preferably a Nikon...

Naked, except for a strap, preferably a Nikon AN-4B or equivalent.
Forum: Film / Developing / Chemistry 11-19-2017
Replies: 6
Views: 852
Posted By Dwig
While it is possible that these are some form of...

While it is possible that these are some form of flare or light leak, thr possibilities are very low compared to the possibility that this is the result of kinking the film before processing. The...
Forum: Film / Developing / Chemistry 11-19-2017
Replies: 1
Views: 662
Posted By Dwig
They are not "black spots on the negative". Being...

They are not "black spots on the negative". Being black or dark on the positive image they much be clear or light on the negative.
They have all the hallmarks of air bells, areas of less or no...
Forum: 120 / 220 film RF's 11-18-2017
Replies: 14
Views: 927
Posted By Dwig
True, to a degree. It becomes quite mystical...

True, to a degree.

It becomes quite mystical since "acceptable circle of confusion" is not anything that can be measured. It is pure whimsy what any one photographer would consider "acceptable"....
Forum: 120 film RF Folders 11-13-2017
Replies: 4
Views: 906
Posted By Dwig
Not really. Digital sharpening can't magically...

Not really. Digital sharpening can't magically create detail that is not present in the original image. It can give an impression of "sharpness" but can't create new missing detail.
Forum: SLRs - the unRF 11-12-2017
Replies: 7
Views: 916
Posted By Dwig
Definitely. In fact, what is there is just a pipe...

Definitely. In fact, what is there is just a pipe dream.

There is a distinct conflict in what little is there. They state an "m42 lens mount with short flange distance" and that it will support 35mm...
Forum: Repair / Camera Care 11-12-2017
Replies: 10
Views: 1,233
Posted By Dwig
Wherever possible, remove the metal parts for...

Wherever possible, remove the metal parts for cleaning. Don't attempt to clean them while they are installed on the camera.
Forum: Digital Printers / Inks / Papers etc 11-11-2017
Replies: 8
Views: 1,205
Posted By Dwig
"Best" is a value judgement that only you can...

"Best" is a value judgement that only you can make. There is no such thing as a universal "best". Everyone has there own criteria, whether we're talking about software or brick-and-mortar camera...
Forum: Photo Software 11-11-2017
Replies: 69
Views: 5,694
Posted By Dwig
There is no way for one non-destructive "editor"...

There is no way for one non-destructive "editor" to properly apply the edits made in another such editor unless the two use EXACTLY the same processing engine.

Matching vintage Ps and Lr can do...
Forum: Photography General Interest 11-10-2017
Replies: 58
Views: 2,301
Posted By Dwig
I've been experiencing some increased "absent...

I've been experiencing some increased "absent mindedness" in recent years as well as my Geezerhood progresses.

I'm a reasonably fit 66 (BTW, I was at Forest Park HS, Class of '69) and find I can...
Forum: SLRs - the unRF 11-07-2017
Replies: 109
Views: 3,968
Posted By Dwig
I admire their initiative, but there is so much...

I admire their initiative, but there is so much wrong in the design:


You can't change film with the camera on a tripod. The body must be removed from the film back to rewind and reload and it's...
Forum: Photo Software 11-06-2017
Replies: 69
Views: 5,694
Posted By Dwig
That is, except for the new "Lightroom CC". It is...

That is, except for the new "Lightroom CC". It is cloud only. This new interloper "steals" the old Lr naming style. Perhaps Adobe wants to sucker users into switching. This version stores the images...
Forum: Micro 4/3 Cameras Olympus Panasonic 11-05-2017
Replies: 37
Views: 3,070
Posted By Dwig
Newer cameras have many advantages, but... ......

Newer cameras have many advantages, but...

... 12mp is fine as long as you are not printing larger than about 20x25 and you can shoot at or near the base ISO.

I still shoot my Pany G1 (as old a...
Forum: Film / Developing / Chemistry 11-02-2017
Replies: 15
Views: 1,135
Posted By Dwig
Personally, I suggest only compressed air or a...

Personally, I suggest only compressed air or a good blower, only. I never touch the film with anything until I have the best possible scan before doing any further cleaning. Touching the film surface...
Forum: Photography General Interest 10-27-2017
Replies: 29
Views: 3,013
Posted By Dwig
Additionally, the Spotmatic's back latch...

Additionally, the Spotmatic's back latch mechanism is embedded into the body leaving the rewind end "smooth". The SV (as seen in the other pix) and S1a (which he owned) have back latched in an...
Forum: SLRs - the unRF 10-26-2017
Replies: 32
Views: 1,653
Posted By Dwig
Asahi's Pentax K series was a marketing whoops;...

Asahi's Pentax K series was a marketing whoops; too little too late. The KM was an excellent version of the Spotmatic descending from the Spotmatic F, but was exactly what the market would have...
Forum: Photography General Interest 10-25-2017
Replies: 50
Views: 2,018
Posted By Dwig
My method exactly. Well, my old, red Panny G-1...

My method exactly. Well, my old, red Panny G-1 has the rather rare wine colored AN-4W, but its functionally the same. Along with a couple of AN-4B straps, I also have an old Canon strap that is a...
Forum: Photography General Interest 10-23-2017
Replies: 27
Views: 1,421
Posted By Dwig
Personally, I wouldn't worry about the camera...

Personally, I wouldn't worry about the camera lens' resolution. The limiting factor is the film choice. Large prints from either TX or TMX will be largely limited by the film's grain and its ability...
Forum: Large Format Film RF 10-16-2017
Replies: 3
Views: 1,552
Posted By Dwig
Here's a good link on the sync cables your...

Here's a good link on the sync cables your Graphic might need.
http://www.paramountcords.com/about/graflex-page/
There were several plug/socket types used on the lenses and on the Speed Graphic body...
Forum: TLR Forum - Twin Lens Reflex 10-11-2017
Replies: 10
Views: 1,141
Posted By Dwig
This was very standard nomenclature for color...

This was very standard nomenclature for color correcting filters calibrated in mired or decamired values. Some mfg. (e.g. Nikon, ...) used A, for "amber", instead of R, for "red", but the systems...
Forum: Micro 4/3 Cameras Olympus Panasonic 10-10-2017
Replies: 2
Views: 1,057
Posted By Dwig
The Contax RF mount system that Nikon "borrowed"...

The Contax RF mount system that Nikon "borrowed" for their RF line is a dual mount. There is an internal mount with focusing helicoid for 50mm lenses only. These lenses lack any focusing of their...
Forum: Scanners / Scanner Software 10-07-2017
Replies: 16
Views: 1,416
Posted By Dwig
I think it is an illumination fault in the...

I think it is an illumination fault in the scanner that is being exasperated by the underexposed negs. Dust, or other schmutz, in the scanner's illumination system would be way out of focus and could...
Forum: Photo Software 10-02-2017
Replies: 20
Views: 1,668
Posted By Dwig
To get the best quality, you need to start by...

To get the best quality, you need to start by contacting the printer. DO NOT blindly convert to CMYK !!!

You need to find out from the printer whether RGB, CMYK, or possibly greyscale is best for...
Forum: Photo Software 10-01-2017
Replies: 20
Views: 1,668
Posted By Dwig
Yes, but... ... there is no need to use 16bpp...

Yes, but...

... there is no need to use 16bpp images in an InDesign document targeted for printing. There is always a some quality loss when creating a JPEG and any reprocessing (e.g. export to PDF)...
Forum: Scanners / Scanner Software 10-01-2017
Replies: 15
Views: 1,141
Posted By Dwig
The operative word here is "Beginner". For...

The operative word here is "Beginner".

For someone new to scanning, I would highly recommend that you go with a new reasonably priced EPSON flatbed like the V500 or V600. Another reasonable route...
Forum: SLRs - the unRF 09-27-2017
Replies: 22
Views: 1,642
Posted By Dwig
Actually, I think that the camera has been...

Actually, I think that the camera has been serviced and reassembled incorrectly. The shutter speed scale should align with the black dot, not the red one, and the ASA<>f/stop scales should not...
Forum: SLRs - the unRF 09-24-2017
Replies: 16
Views: 1,816
Posted By Dwig
F3 screens work fine in F & F2 bodies if you file...

F3 screens work fine in F & F2 bodies if you file off the tab on the F3 screen. Personally, when I did this (I did a number of such "conversions") I would always disassemble the screen before filing...
Forum: 120 film RF Folders 09-22-2017
Replies: 10
Views: 5,783
Posted By Dwig
True, but that is the modern 15 exp format found...

True, but that is the modern 15 exp format found on cameras with metered film advance.

Folders using the ruby window will be shooting a different format. They use the old standard 16 exp format...
Forum: Scanners / Scanner Software 09-02-2017
Replies: 531
Views: 39,478
Posted By Dwig
#1 - "Worms" - I agree with the others that this...

#1 - "Worms" - I agree with the others that this is likely a form of interference artifact. One possible test would be to change the optical magnification so that you either have a smaller "scan"...
Forum: 120 film RF Folders 09-02-2017
Replies: 8
Views: 1,413
Posted By Dwig
If #2 then something else in the pic will be in...

If #2 then something else in the pic will be in reasonably sharp focus. If everything is "soft" then the issue is either #1 or #3. #1 will often show a directional characteristic where edges of one...
Forum: Rangefinder Photography Discussion 09-01-2017
Replies: 15
Views: 1,209
Posted By Dwig
That's a bit fast for a scale focusing lens, but...

That's a bit fast for a scale focusing lens, but the major usability problem would the the lack of a shutter release. The hacked in wind lever is covering the place on the Werra's top cover where the...
Forum: SLRs - the unRF 08-31-2017
Replies: 28
Views: 1,339
Posted By Dwig
I wouldn't say "obsolete", but it is true that...

I wouldn't say "obsolete", but it is true that they've become more of a specialty item with feature sets and abilities skewed toward a special segment of the market.

What amounts to a "pro" tool is...
Forum: Optics Theory - 08-31-2017
Replies: 5
Views: 1,096
Posted By Dwig
Its more likely a CoC change to reflect usage...

Its more likely a CoC change to reflect usage trends than for any actual film resolution change. Choice of an appropriate CoC involves an assumption on the print size and, at least in the US, that...
Forum: Scanners / Scanner Software 08-28-2017
Replies: 185
Views: 11,679
Posted By Dwig
Pretty much the same here on both of my...

Pretty much the same here on both of my monitors.

Both the Scanner (cyan cast) and DSLR (magenta cast) are far from "good". These errors show clearly in the highlights.

The scanned C-print is also...
Forum: Film / Developing / Chemistry 08-27-2017
Replies: 15
Views: 730
Posted By Dwig
"Best" is a value judgement so only you can...

"Best" is a value judgement so only you can decide what is best, but there is a 3rd option that might be a challenger.

Get the shutter tested, or test it yourself, to see if the speeds are...
Forum: Scanners / Scanner Software 08-24-2017
Replies: 185
Views: 11,679
Posted By Dwig
Correct. ICE requires a 4 color sensor. The forth...

Correct. ICE requires a 4 color sensor. The forth color being infrared. Not DSLR or scanner that lacks this forth color sensor component can use any ICE software or plugin.

That said, there are...
Forum: Scanners / Scanner Software 08-24-2017
Replies: 185
Views: 11,679
Posted By Dwig
Optically, it would work with any Nikon FX DSLR....

Optically, it would work with any Nikon FX DSLR. You might be able to fudge it on a DX model with an appropriate lens+extension choice, but only maybe.

Only the D850 will have the ability to invert...
Forum: Film / Developing / Chemistry 08-20-2017
Replies: 14
Views: 882
Posted By Dwig
I used a Weston and several similar dials over...

I used a Weston and several similar dials over the years that I processed film. I never had issues with the dials, but it did check them against a good glass/alcohol reference thermometer regularly....
Forum: Xpan & Other Panoramics 08-13-2017
Replies: 12
Views: 1,136
Posted By Dwig
Ah, but the diagonal of a 4x5 neg is slightly...

Ah, but the diagonal of a 4x5 neg is slightly over 6" (standard image area) and the sheet is 6.4" on the diagonal. A custom carrier could be made and a Beseler 4x5 would come very close to...
Forum: Leica M Lenses and Images 08-13-2017
Replies: 3
Views: 928
Posted By Dwig
#1 - The industry standard has always been to use...

#1 - The industry standard has always been to use the film plane.

#2 - The markings on Leica's lenses are rather accurate, as such things go, but are nowhere near accurate enough for any form of RF...
Forum: Xpan & Other Panoramics 08-12-2017
Replies: 12
Views: 1,136
Posted By Dwig
Strictly speaking, if the 6x9 or 6x8 images are...

Strictly speaking, if the 6x9 or 6x8 images are produced in standard roll film cameras then the answer is "no". You can get good to excellent image quality, but the wide angle effect will be...
Forum: Leica M Film Cameras 08-11-2017
Replies: 17
Views: 983
Posted By Dwig
Correct. It is not "using tape" that is a...

Correct. It is not "using tape" that is a problem, but it is using the wrong type of tape that is the issue.

True 'masking tape" should only be used for paint masking. The low residue 3M blue tapes...
Forum: Technique: How To Shoot It 08-11-2017
Replies: 27
Views: 2,177
Posted By Dwig
It's quite underexposed. This is a common issue...

It's quite underexposed.

This is a common issue with this type of lighting situation. The bright white background "fools" the meter, whether shooting in manual or an automatic mode. With most modern...
Forum: Photo Books / Mags / Articles / Blogs 08-09-2017
Replies: 84
Views: 7,567
Posted By Dwig
None. Back in the latter part of the previous...

None.

Back in the latter part of the previous millennium I would occasionally read a photo orientated magazine. Today, all of my related info comes from the web in very non-magazine form.
Forum: Photo Books / Mags / Articles / Blogs 08-06-2017
Replies: 12
Views: 1,663
Posted By Dwig
There were a number of ways: 1. The first photo...

There were a number of ways:

1. The first photo book, by Henry Fox-Talbot, was done with photographic prints individually attached (tipped) onto the book's pages. This was done in the mid 1840s.
2....
Forum: Film / Developing / Chemistry 07-30-2017
Replies: 37
Views: 1,832
Posted By Dwig
I can't help you with modern films, but if you go...

I can't help you with modern films, but if you go the filter route I would suggest experimenting with the equivalent of a Wratten #11 (old designation was "X1"). It will reduce blue somewhat while...
Forum: Photo Accessories / Bags/ Meters / Tripods etc 07-27-2017
Replies: 11
Views: 993
Posted By Dwig
If you lack a "way back" machine to aid in...

If you lack a "way back" machine to aid in finding a brick-and-mortar camera store, you should check out craft stores selling supplies for DIY jewelry.
Forum: Analog DarkRoom / Printing 07-24-2017
Replies: 3
Views: 956
Posted By Dwig
There are a lot of threads here on this topic. I...

There are a lot of threads here on this topic. I suggest that you do some searching for opinions on enlarging lenses.

One thing to keep in mind is that "medium format" is an extremely incorrect...
Forum: Repair / Camera Care 07-23-2017
Replies: 10
Views: 794
Posted By Dwig
I've recovered the utility of a USB flash stick...

I've recovered the utility of a USB flash stick this way. My Macs couldn't see it at all and Windows wouldn't mount the volume, but Windows' Disk Management could see the drive and reformat it. In...
Forum: Roger Hicks -- Author of The Rangefinder Book 07-23-2017
Replies: 48
Views: 2,549
Posted By Dwig
I feel that recreational pharmaceuticals, whether...

I feel that recreational pharmaceuticals, whether alcohol or other, never actually improve creativity itself, but can dull or remove inhibitions that would otherwise obscure creativity. If you don't...
Forum: Rangefinder Photography Discussion 07-23-2017
Replies: 25
Views: 1,690
Posted By Dwig
Personally, I feel the "flip up" class of screens...

Personally, I feel the "flip up" class of screens only do the job half way. They work, but only if you want a horizontal/landscape image orientation. All the video shooters generally need, but not...
Forum: Fixed Lens 35mm RF 07-20-2017
Replies: 8
Views: 1,339
Posted By Dwig
Which ever one uses a CoC that is appropriate for...

Which ever one uses a CoC that is appropriate for your use. Only you can decide what sharpness level you need to maintain and only you know how large you will be printing or displaying the...
Forum: DIYS Modifications 07-15-2017
Replies: 12
Views: 1,164
Posted By Dwig
Incorrect! A "magnifying glass" is equivalent to...

Incorrect!

A "magnifying glass" is equivalent to a photographic "close-up lens"; a simple positive lens that aids in close focus.

An afocal telephoto attachment is basically a Galilean telescope.
Forum: Optics Theory - 07-13-2017
Replies: 51
Views: 4,374
Posted By Dwig
Seems poor wording. One example doesn't make it...

Seems poor wording. One example doesn't make it "generally" true or false. Perhaps you meant "not universally true", which would be quite correct. I still contend that, as a general rule, faster...
Forum: Optics Theory - 07-13-2017
Replies: 51
Views: 4,374
Posted By Dwig
Excellent, well said. If we limit ourselves to...

Excellent, well said.

If we limit ourselves to rectilinear distortion (barrel, pincushion, and the various "mustache" mixes of the two - oh, iPhone, thou art evil...) the following are reasonable...
Forum: Technique: How To Shoot It 07-12-2017
Replies: 29
Views: 2,451
Posted By Dwig
Shutter blade design can have a significant...

Shutter blade design can have a significant impact on this issue.

While no purely mechanical shutter and separate iris can actually compensate, some shutters are less affected than others. If the...
Forum: Photography General Interest 07-12-2017
Replies: 8
Views: 450
Posted By Dwig
The Miami area is decidedly the worst I've ever...

The Miami area is decidedly the worst I've ever dealt with. Far, far worse than Houston, Dallas, San Antonio, Austin, and Philadelphia (I've spent a lot of time in Texas, as you can see).
Forum: Photography General Interest 07-12-2017
Replies: 8
Views: 450
Posted By Dwig
Expect it to rain at some point each day. In...

Expect it to rain at some point each day. In South Florida and in the Florida Keys it rains almost every day this time of year. I'd suggest either a waterproof bag or at least a pocketful of ZipLoc...
Forum: Fixed Lens 35mm RF 07-11-2017
Replies: 8
Views: 1,339
Posted By Dwig
DoF has absolutely nothing to do with what is...

DoF has absolutely nothing to do with what is actually sharp. It is all about what is acceptably blurred. The standards for what is "sharp enough" vary.

The XA's "snapshot" settings are likely...
Forum: Technique: How To Shoot It 07-10-2017
Replies: 29
Views: 2,451
Posted By Dwig
And it should be noted that this table applies to...

And it should be noted that this table applies to the more modern leaf shutters that have a 1/500th top speed.

On older and larger shutters that have lower top shutter speeds the table would be...
Forum: Image Processing: Darkroom / Lightroom / Film 07-09-2017
Replies: 16
Views: 2,267
Posted By Dwig
Quite true. I began with my Dad's late '40s...

Quite true.

I began with my Dad's late '40s edition of Kodak's "amateur" Photoguide and found it quite valuable. I bought a Professional PHotoguide when they first came out and it was very useful....
Forum: Image Processing: Darkroom / Lightroom / Film 07-09-2017
Replies: 16
Views: 2,267
Posted By Dwig
No. enlarger lenses are not mounted using any...

No. enlarger lenses are not mounted using any camera register (mounting flange to film/sensor distance) distance. Instead, they are, like view camera lenses, mounted so that their flange is near the...
Forum: Repair / Camera Care 07-05-2017
Replies: 14
Views: 792
Posted By Dwig
One, it's "duct" not "duck", unless you are...

One, it's "duct" not "duck", unless you are talking specifically about the brand that plays on the similar sound and then it would be "Duck Tape" with caps.

Two, even black duct tape is not light...
Forum: Repair / Camera Care 07-03-2017
Replies: 15
Views: 1,127
Posted By Dwig
I agree. Unscrewing a cross threaded filter will...

I agree. Unscrewing a cross threaded filter will likely increase the damage to the lens' threads.

With some filters, removing the glass from the front is not overly difficult, but with others it...
Forum: Photography General Interest 06-26-2017
Replies: 1
Views: 438
Posted By Dwig
The most POSH "gadget bag", circa 1900

I've owned some large gadget bags and cases, but this tops everything:

http://www.shorpy.com/node/22233
Forum: Optics Theory - 06-22-2017
Replies: 32
Views: 2,053
Posted By Dwig
I totally agree. I shot with the 90mm 6.8...

I totally agree.

I shot with the 90mm 6.8 Wollensak (6 internal glass-to-air surfaces) for a few years before acquiring a 90mm Angulon (2 internal glass-to-air surfaces; not Super Angulon). the...
Forum: SLRs - the unRF 06-20-2017
Replies: 107
Views: 3,512
Posted By Dwig
The EL family use a PX28 silver oxide battery,...

The EL family use a PX28 silver oxide battery, not mercury.
Forum: Photo Accessories / Bags/ Meters / Tripods etc 06-14-2017
Replies: 6
Views: 965
Posted By Dwig
If you are looking for a diopter to use without...

If you are looking for a diopter to use without any other corrective lenses (e.g. an eyeglass wearer shooting without their glasses) then you are correct.

One the other hand, if you wear contact...
Forum: Repair / Camera Care 06-13-2017
Replies: 6
Views: 1,659
Posted By Dwig
Sounds like an electrical problem. Be sure you...

Sounds like an electrical problem.

Be sure you are mounting the lens correctly and note that capping the lens will NOT guarantee that no light reaches the meter cells. You must cap the eyepiece as...
Forum: Optics Theory - 06-11-2017
Replies: 32
Views: 2,053
Posted By Dwig
I agree that it is classic banding, but it is not...

I agree that it is classic banding, but it is not so much software making a poor decision as it is a result of there being no "good" decision. This is more likely to show when scanning large format...
Forum: Film / Developing / Chemistry 06-10-2017
Replies: 15
Views: 787
Posted By Dwig
Right. Dante's method will work well when you...

Right.

Dante's method will work well when you want to rerate the film to a lower IE, but can't handle situations when you want to push the film to a higher IE.

It should be noted that this will not...
Forum: Repair / Camera Care 06-04-2017
Replies: 5
Views: 688
Posted By Dwig
Perhaps in your opinion, but not in Nikon's at...

Perhaps in your opinion, but not in Nikon's at the time the 80-200 f/4.5 was being sold.
Forum: Photo Software 06-04-2017
Replies: 9
Views: 1,219
Posted By Dwig
I generally just bin old software, but I...

I generally just bin old software, but I carefully review it first.

Sometimes you need to keep old software if you've upgraded it and the new upgraded version's license requires you to still have...
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