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Forum: Leica Screw Mount / LTM Cameras 3 Days Ago
Replies: 41
Views: 800
Posted By jcb4718
I have a IIc (max shutter speed 1/500) and a IIIc...

I have a IIc (max shutter speed 1/500) and a IIIc (max shutter speed 1/1000). I never use the slow speeds and in fact the 1/1000 is closer to 1/500...so in use the shutter speeds of both cameras are...
Forum: W/NW Words no Words. 1 Week Ago
Replies: 358
Views: 47,567
Posted By jcb4718
Puku, South Luangwa National Park,...

Puku, South Luangwa National Park, Zambia
http://www.rangefinderforum.com/rffgallery/gallery/21179/med_U21179I1584631418.SEQ.0.jpg
Forum: Optics Theory - 02-27-2020
Replies: 7
Views: 700
Posted By jcb4718
How do you locate the entrance pupil of a lens?

How do you locate the entrance pupil of a lens?
Forum: RFF Polls 02-24-2020
Replies: 99
Views: 3,750
Posted By jcb4718
You raise an interesting subject, Erik. I can't...

You raise an interesting subject, Erik. I can't think of any Cartier-Bresson photos where the subject was backlit and the light also fell on Bresson. For example, if you Google this Bresson...
Forum: RFF Polls 02-23-2020
Replies: 99
Views: 3,750
Posted By jcb4718
As has been said, it is ultimately a matter of...

As has been said, it is ultimately a matter of what you are trying to achieve. When shooting 'contre-jour' I don't like stray light getting into the lens and ending up on the negative either as a...
Forum: RFF Polls 02-23-2020
Replies: 99
Views: 3,750
Posted By jcb4718
I certainly use hood for lenses with focal...

I certainly use hood for lenses with focal lengths of 35mm and longer. I have a 28mm and a 25mm lens but they are not fitted with hoods. With 35mm and longer I can see that the hoods are effective...
Forum: Nikon RF 02-11-2020
Replies: 8
Views: 617
Posted By jcb4718
I had the Nikkor 50mm f3.5 rigid a few years ago....

I had the Nikkor 50mm f3.5 rigid a few years ago. It's fine, a typical Tessar. The images sharpen up nicely using Photoshop. I found it slightly prone to flare by which I mean light from a bright sky...
Forum: Canon Leica Screw Mount Film Rangefinders 02-09-2020
Replies: 7
Views: 544
Posted By jcb4718
That rings a bell, Lukx. The ring at the back...

That rings a bell, Lukx. The ring at the back holds the lens block in place. It is simple to see if it is loose: you can just use a screwdriver. My guess is something simply needs tightening up i.e....
Forum: Canon Leica Screw Mount Film Rangefinders 02-09-2020
Replies: 7
Views: 544
Posted By jcb4718
As xayraa33 says the front element and aperture...

As xayraa33 says the front element and aperture ring should not be loose. I bought the same type of lens from a supplier in Japan. The aperture ring was stiff and there was a slight wobble in the...
Forum: Leica Screw Mount / LTM Cameras 12-31-2019
Replies: 2,167
Views: 617,323
Posted By jcb4718
I think someone used the wrong shade of shoe...

I think someone used the wrong shade of shoe polish...
Forum: Photography General Interest 12-29-2019
Replies: 34
Views: 1,659
Posted By jcb4718
I couldn't agree more, olifaunt. Print film...

I couldn't agree more, olifaunt. Print film produces wonderful colours 'out of the can' (and even when subsequently digitised) but I struggle to replicate them with images taken with a digital camera.
Forum: Leica Screw Mount / LTM Cameras 12-23-2019
Replies: 16
Views: 1,109
Posted By jcb4718
Double sided tape all around the flange? Pressed...

Double sided tape all around the flange? Pressed onto a flat base that might provide enough grip.
Forum: Point-N-Shoot 35mm Cameras 11-26-2019
Replies: 33
Views: 1,052
Posted By jcb4718
You are right, dourbalistar, the prices of the...

You are right, dourbalistar, the prices of the Canon Sure Shot A1 have crept up since I purchased mine...but not to a silly extent. I could rationalise such an expense by setting it against the cost...
Forum: Point-N-Shoot 35mm Cameras 11-26-2019
Replies: 33
Views: 1,052
Posted By jcb4718
I got disposable cameras for use at the seaside...

I got disposable cameras for use at the seaside but eventually bought a Canon Sure Shot A1. It was worth it. It's a simple robust camera and very well sealed.
Forum: Leica Screw Mount / LTM Cameras 11-13-2019
Replies: 45
Views: 1,996
Posted By jcb4718
It's amazing what you can get away with in terms...

It's amazing what you can get away with in terms of exposure settings. I have 4 Barnaks and even after a service the shutter speeds are not particularly accurate. Anything from 0-0.5 stops over is...
Forum: W/NW Words no Words. 11-13-2019
Replies: 358
Views: 47,567
Posted By jcb4718
A Winter's Day on the Oxford Canal, England

For fun I took on this trip my Voigtlander Vito B fitted with a 50mm f2.8 Color Skopar lens.

http://www.rangefinderforum.com/rffgallery/gallery/21179/med_U21179I1573648479.SEQ.0.jpg
Forum: Leica Screw Mount / LTM Cameras 11-11-2019
Replies: 45
Views: 1,996
Posted By jcb4718
How do you judge exposure, Erik?

How do you judge exposure, Erik?
Forum: Leica Screw Mount / LTM Cameras 11-09-2019
Replies: 41
Views: 2,405
Posted By jcb4718
Very nice cameras, Tim. I think the big dividing...

Very nice cameras, Tim. I think the big dividing line with external viewfinders is whether or not you wear glasses. External viewfinder with a peep holes are not suitable for glasses wearers, I have...
Forum: Leica Screw Mount / LTM Cameras 11-08-2019
Replies: 41
Views: 2,405
Posted By jcb4718
I thought you might like to see my other 35mm set...

I thought you might like to see my other 35mm set up, Cavcha1, so you could compare. The camera is a Leica II and the lens is a 35mm f2.5 Color Skopar. It definitely needs a hood if you are shooting...
Forum: Leica Screw Mount / LTM Cameras 11-07-2019
Replies: 41
Views: 2,405
Posted By jcb4718
Here is a photo of my IIIC with my Canon 35mm f2...

Here is a photo of my IIIC with my Canon 35mm f2 and the old Voigtlander 35mm push on hood. Its true the finder can obscure the shutter dial. If the dial is the large OD type this can make the...
Forum: Leica Screw Mount / LTM Cameras 11-03-2019
Replies: 41
Views: 2,405
Posted By jcb4718
Ah! On ebay more like 150 if you are patient....

Ah! On ebay more like 150 if you are patient. Not much more than other viewfinders... On receipt (from Japan!) my Canon 35mm f2 had a stiff aperture ring and a slightly wobbly focus. The aperture...
Forum: Leica Screw Mount / LTM Cameras 11-03-2019
Replies: 41
Views: 2,405
Posted By jcb4718
I have the Canon 35mm f2, the Color Skopar 35mm...

I have the Canon 35mm f2, the Color Skopar 35mm f2.5 (classic) and the Shapeways 35mm viewfinder. The Skopar definitely flares if shooting against the light so it needs its dedicated hood (LH-2) if...
Forum: Leica M Film Cameras 10-24-2019
Replies: 10
Views: 624
Posted By jcb4718
I had always thought having the tripod socket...

I had always thought having the tripod socket more or less under the shutter button was rather clever. It helps keep the camera steady when the shutter is fired...I assume that is the reason it is...
Forum: Leica General Discussion / News / Rumors 09-30-2019
Replies: 22
Views: 1,198
Posted By jcb4718
I agree Godfrey. One camera simplifies things...

I agree Godfrey. One camera simplifies things because only the photos that can be taken with it suggest themselves.
Forum: Chris Crawford 09-11-2019
Replies: 188
Views: 9,467
Posted By jcb4718
I have tried the 3-D printed viewfinder that uses...

I have tried the 3-D printed viewfinder that uses the Owl plastic viewfinder. It works but there is not much silver surface to back reflect the brightlines so they are rather faint and sometimes...
Forum: Leica Screw Mount / LTM Cameras 06-05-2019
Replies: 27
Views: 1,269
Posted By jcb4718
Plus three for the thin plastic card. It really...

Plus three for the thin plastic card. It really is very simple to use. Just make sure the card is pushed all the way in and it will provide a smooth entry for the film. Then back wind the film until...
Forum: Leica M Film Cameras 05-16-2019
Replies: 15
Views: 575
Posted By jcb4718
This is a problem many of us have had, I'm sure....

This is a problem many of us have had, I'm sure. In my case I use a suitable old bags from ebay -ones that accept a waist band. I sewed two clips to the bottom of the rucksack to make a 'super...
Forum: SLRs - the unRF 03-04-2019
Replies: 3,775
Views: 728,211
Posted By jcb4718
I also have the OM 28mm f3.5 and the Voigtlander...

I also have the OM 28mm f3.5 and the Voigtlander (CV) 28mm f3.5. Both are fine lenses but in a side-by-side comparison, the CV images have more 'punch'. The CV has more micro-contrast and the images...
Forum: Digital Printers / Inks / Papers etc 02-15-2019
Replies: 15
Views: 1,266
Posted By jcb4718
I can't answer your question directly because I...

I can't answer your question directly because I don't have a camera with your sensor but its larger than you think if the print is mounted appropriately. The largest print from a 35mm negative that I...
Forum: Leica Screw Mount / LTM Cameras 02-12-2019
Replies: 2,167
Views: 617,323
Posted By jcb4718
Small pieces of missing Vulcanite can be repaired...

Small pieces of missing Vulcanite can be repaired using Milliput Black. It's a kind of two-part putty that sets rock hard in 2-3 hours. I use the end of a small screwdriver to create the Vulcanite...
Forum: Leica M Film Cameras 02-08-2019
Replies: 34
Views: 2,525
Posted By jcb4718
Google '35mm viewfinder and old eyes' and you...

Google '35mm viewfinder and old eyes' and you will find a description of my experiences with the Shapeways 35mm viewfinder, posted on this forum.
Forum: Leica Screw Mount / LTM Cameras 01-27-2019
Replies: 146
Views: 5,227
Posted By jcb4718
I have found a standard cassette fits but can...

I have found a standard cassette fits but can drop and possibly intrude into the negative. I fixed it using a thin M6 stainless steel washer (the thin washer is about 0.9mm thick I think). I attached...
Forum: Leica General Discussion / News / Rumors 12-27-2018
Replies: 19
Views: 5,635
Posted By jcb4718
I have the Voigtlander (CV) 35mm f2.5 and have...

I have the Voigtlander (CV) 35mm f2.5 and have just acquired the Canon 35mm f2 (version 1). I haven't yet tried the latter. The CV produces images with great micro-contrast. However it seems prone to...
Forum: SLRs - the unRF 11-13-2018
Replies: 3,775
Views: 728,211
Posted By jcb4718
Sorry for the double posting. I don't think there...

Sorry for the double posting. I don't think there is any difference between SR44 and SR44w or batteries with any other letter after the '44'. I think its more of a marketing exercise. The main...
Forum: SLRs - the unRF 11-13-2018
Replies: 3,775
Views: 728,211
Posted By jcb4718
I think the SR44 and the LR44 predate Lithium...

I think the SR44 and the LR44 predate Lithium batteries. The LR44 is alkaline and the SR is silver oxide, I think. Anyway, my understanding is that the SR battery maintains its voltage until near...
Forum: SLRs - the unRF 11-13-2018
Replies: 3,775
Views: 728,211
Posted By jcb4718
I think the SR44 and the LR44 predate Lithium...

I think the SR44 and the LR44 predate Lithium batteries. The LR44 is alkaline and the SR is silver oxide, I think. Anyway, my understanding is that the SR battery maintains its voltage until near...
Forum: Leica Screw Mount / LTM Cameras 11-05-2018
Replies: 68
Views: 1,675
Posted By jcb4718
It's such a personal thing, whether an eyepiece...

It's such a personal thing, whether an eyepiece or viewfinder works for a glasses wearer, that I think you have made the key point, Kevin: once you get something that works, you stick with it and...
Forum: Leica Screw Mount / LTM Cameras 11-05-2018
Replies: 68
Views: 1,675
Posted By jcb4718
My number one priority is to have a finder that I...

My number one priority is to have a finder that I can use with my glasses on. The Leica plastic 35mm and 28mm finders have the same optics (but the frame lines are different) and I can use both with...
Forum: Leica Screw Mount / LTM Cameras 11-04-2018
Replies: 68
Views: 1,675
Posted By jcb4718
I have the plastic Leica 35mm viewfinder. It sits...

I have the plastic Leica 35mm viewfinder. It sits nicely on a screw mount Leica, I think. The thing I really like about it is that I can use it with my glasses on.
Forum: Leica Screw Mount / LTM Cameras 11-03-2018
Replies: 68
Views: 1,675
Posted By jcb4718
The Canon Sure Shot Owl option is home-made but...

The Canon Sure Shot Owl option is home-made but does not require you to file down blocks of brass. The cameras can be bought cheaply on Ebay and are easy to disassemble to extract the viewfinder...
Forum: Technique: How To Shoot It 10-13-2018
Replies: 54
Views: 2,733
Posted By jcb4718
I couldn't agree more, charjohncarter. I don't...

I couldn't agree more, charjohncarter. I don't carry a flashgun for my film camera. My 'flashgun' is a Canon S110 digital camera. It's brilliant the way it allows you to mix flash and ambient light....
Forum: Technique: How To Shoot It 10-13-2018
Replies: 54
Views: 2,733
Posted By jcb4718
Interesting thread which has made me think...

Interesting thread which has made me think 'exactly what do I do?'. I think the main thing I keep in mind is that an incident meter is calibrated for a standard grey card. That is to say, if you make...
Forum: Leica Screw Mount / LTM Cameras 09-25-2018
Replies: 3
Views: 532
Posted By jcb4718
The Shapeways/Metrocase DIY finder certainly does...

The Shapeways/Metrocase DIY finder certainly does the job and as you say, David, its very cost-effective. I think the Leica 28 and 35mm finders have the same optics -the image looks he same- just the...
Forum: Leica Screw Mount / LTM Cameras 09-24-2018
Replies: 3
Views: 532
Posted By jcb4718
35mm viewfinder and old eyes

I have a 35mm f2.5 Color Skopar fitted to my Leica IIIc and have been looking for an external viewfinder. I wanted one that I could use while wearing my glasses. I considered a DIY version I read...
Forum: Leica Screw Mount / LTM Cameras 09-15-2018
Replies: 6
Views: 566
Posted By jcb4718
Adapting a Contax lens to Leica L39

I have a Zeiss Opton 50mm f1.5 lens (Contax mount) in perfect condition. What is the best way to mount it on my Barnak (L39) camera?
Forum: Repair / Camera Care 06-21-2018
Replies: 21
Views: 1,822
Posted By jcb4718
You can get a cheap shutter tester from a...

You can get a cheap shutter tester from a Romanian supplier on Ebay. I bought one many years ago when he started making and supplying them. The sensor is a phototransistor and you have to download...
Forum: Optics Theory - 06-18-2018
Replies: 161
Views: 11,537
Posted By jcb4718
I echo the comment made by Mich. Does anyone have...

I echo the comment made by Mich. Does anyone have two pictures taken under identical conditions except one was taken with a lens having 'pop' and the other with a lens not having 'pop'? It would be...
Forum: Leica Screw Mount / LTM Cameras 05-04-2018
Replies: 42
Views: 2,741
Posted By jcb4718
It's an excellent idea. I usually go on holiday...

It's an excellent idea. I usually go on holiday with one camera, one lens and some film. In my case if it's a 50mm lens I take an old Voigtlander Vito B but if it's a wide angle lens I take a 28mm...
Forum: Leica Screw Mount / LTM Cameras 03-22-2018
Replies: 31
Views: 2,253
Posted By jcb4718
It certainly is a great camera. The viewfinder is...

It certainly is a great camera. The viewfinder is not as bright as those of the earlier versions but I had always assumed that was due to the extra optics. In any case, my viewfinder is fine. I use...
Forum: Leica Screw Mount / LTM Cameras 03-09-2018
Replies: 15
Views: 988
Posted By jcb4718
I have attached a photo of a IIIB. Under the...

I have attached a photo of a IIIB. Under the rewind knob is the lever that adjusts the rangefinder focus. The lever has a lug that is just entering the top housing. It would be impossible to turn the...
Forum: Leica Screw Mount / LTM Cameras 03-09-2018
Replies: 15
Views: 988
Posted By jcb4718
I'm sorry if my question was not clear and I have...

I'm sorry if my question was not clear and I have caused confusion. On the top plate of the camera are two rotating levers: one is turned to allow the film to be rewound and the other is turned to...
Forum: Leica Screw Mount / LTM Cameras 03-09-2018
Replies: 15
Views: 988
Posted By jcb4718
Well, yes. I don't have the version, I'm just...

Well, yes. I don't have the version, I'm just curious. I have taken the attached image from the Vintage Camera Lenses website to show what I mean. The bottom camera has the levers with lugs. The...
Forum: Leica Screw Mount / LTM Cameras 03-09-2018
Replies: 15
Views: 988
Posted By jcb4718
Leica screw mount camera question

I have a question about the advance/rewind lever and the rangefinder adjustment lever. I notice in the case of some earlier models these levers have a lug that rotates into the top housing to make...
Forum: Leica Screw Mount / LTM Cameras 02-14-2018
Replies: 12
Views: 878
Posted By jcb4718
OK, guys, many thanks for the insights. It does...

OK, guys, many thanks for the insights. It does appear that the performance can be improved upon and I now understand in a general way what the issues are. I will take this further and if I find out...
Forum: Leica Screw Mount / LTM Cameras 02-13-2018
Replies: 12
Views: 878
Posted By jcb4718
Ah! Thanks for the insight, guys. Its a...

Ah! Thanks for the insight, guys. Its a difference in curtain speed that matters. If one curtain travels across the film plane (36mm) in 1/30 sec, its speed is 1080 mm/sec. At 1/500 sec shutter...
Forum: Leica Screw Mount / LTM Cameras 02-12-2018
Replies: 12
Views: 878
Posted By jcb4718
Exposure variations across the film plane

I have been checking the shutter speeds on my Leica IIc. I use a phototransistor for detection but the problem is interrupting a light beam with the shutter if you don't want to remove the casing (I...
Forum: Repair / Camera Care 02-06-2018
Replies: 27
Views: 1,854
Posted By jcb4718
Yes, agreed David. Of course condition must be a...

Yes, agreed David. Of course condition must be a major factor after all these years. I guess what interested me was the way the camera developed. From the comments made it seems that the sync speed...
Forum: Repair / Camera Care 02-06-2018
Replies: 27
Views: 1,854
Posted By jcb4718
Interesting. How do you know you have a good...

Interesting. How do you know you have a good Leica if it can be any of the models? I mean is it some long process (e.g. the time between services) or can you tell e.g. by the sound of the shutter?
Forum: Repair / Camera Care 02-06-2018
Replies: 27
Views: 1,854
Posted By jcb4718
Thank you Eric and XAYRAA33. So it seems to me...

Thank you Eric and XAYRAA33. So it seems to me that the earlier screwmount Leicas (I to IIIb) were robustly built (sturdy components, lots of screws) but with a relatively simple design operating at...
Forum: Repair / Camera Care 02-05-2018
Replies: 27
Views: 1,854
Posted By jcb4718
Thank you Erik. So when you say 'The 1/200 s and...

Thank you Erik. So when you say 'The 1/200 s and 1/500 s on the speed dial are wishful thinking.' do you mean 'unless the camera has been serviced by a competent repairman'? Also, I think the IIIf...
Forum: Repair / Camera Care 02-05-2018
Replies: 27
Views: 1,854
Posted By jcb4718
From the discussion above, would it be correct to...

From the discussion above, would it be correct to say that there have been three generations of shutter with sync speeds of 1/20, 1/30 and 1/50th sec? As well as being higher spec. would it also be...
Forum: Leica Screw Mount / LTM Cameras 12-27-2017
Replies: 12
Views: 1,781
Posted By jcb4718
The SBOOI brightline has an outside (solid)...

The SBOOI brightline has an outside (solid) frameline that is not 1:1.5 and a single (dotted) line along the top for close-up. For close-up the dotted line and the 3 framelines are about 1:1.5 and...
Forum: Leica Screw Mount / LTM Cameras 12-19-2017
Replies: 10
Views: 1,132
Posted By jcb4718
How is the dioptre adapter secured to the camera...

How is the dioptre adapter secured to the camera eyepiece?
Forum: Leica M Lenses and Images 11-15-2017
Replies: 7
Views: 826
Posted By jcb4718
Or a Jupiter 12 rear cap does the trick for the...

Or a Jupiter 12 rear cap does the trick for the LYM version.
Forum: Photography General Interest 10-10-2017
Replies: 6
Views: 922
Posted By jcb4718
I carefully outlined the lens shape I wanted and...

I carefully outlined the lens shape I wanted and cut round roughly using a fine toothed fret saw. It took two attempts. My plastic lenses were a little brittle, maybe the effect of exposure to UV...
Forum: RFF News 10-10-2017
Replies: 160
Views: 11,970
Posted By jcb4718
1.4 megapixels or 14 megapixels? All the reports...

1.4 megapixels or 14 megapixels? All the reports on the internet say 14 megapixels but they may just be resending an error.
Forum: Leica Screw Mount / LTM Cameras 10-09-2017
Replies: 24
Views: 3,654
Posted By jcb4718
Many thanks again, Erik. The thing I don't like...

Many thanks again, Erik. The thing I don't like about the IIIb is that the dioptre and rewind levers act via little holes in the top plate. This seemed a dubious design to me although I have no idea...
Forum: Leica Screw Mount / LTM Cameras 10-09-2017
Replies: 24
Views: 3,654
Posted By jcb4718
Thank you for the insight, Erik. So it seems that...

Thank you for the insight, Erik. So it seems that features were added (slow speeds and 1/1000 sec maximum speed) and the construction was simplified, all to to the detriment of absolute reliability...
Forum: Leica Screw Mount / LTM Cameras 10-08-2017
Replies: 24
Views: 3,654
Posted By jcb4718
Erik: could you say a little more about why you...

Erik: could you say a little more about why you consider the construction of the older series of Leicas to be much more solid? It is often written that the die cast body makes the IIIC more robust.
Forum: Leica Screw Mount / LTM Cameras 10-08-2017
Replies: 44
Views: 2,751
Posted By jcb4718
Another vote for the business card. A thin...

Another vote for the business card. A thin plastic card works best. Using a card makes loading a Barnack almost as easy as manually loading any camera.
Forum: Photography General Interest 09-26-2017
Replies: 6
Views: 922
Posted By jcb4718
Yes, indeed, this whole camera viewfinder...

Yes, indeed, this whole camera viewfinder business has become a bit of a mission as I have got older. One thought about your project: most likely the snap out lens is glass and certainly the glasses...
Forum: Photography General Interest 09-25-2017
Replies: 6
Views: 922
Posted By jcb4718
Adapted eyepiece correction lens for glasses wearers

In a recent thread ('Advice on Leica SBOOI...') I described how I adapted a old SLR eyepiece correction lens for my Leica IIIf eyepiece. I'm a glasses wearer and I'm sure any other wearers will be...
Forum: Leica Screw Mount / LTM Cameras 09-23-2017
Replies: 21
Views: 2,206
Posted By jcb4718
I think I have uploaded it the viewfinder...

I think I have uploaded it the viewfinder arrangements...
Forum: Leica Screw Mount / LTM Cameras 09-23-2017
Replies: 21
Views: 2,206
Posted By jcb4718
I have tried to upload a photo of the correction...

I have tried to upload a photo of the correction lenses in place. I have kept to the rules about the image size but for some reason it has not appeared. Can anyone suggest what I am doing wrong?
Forum: Leica Screw Mount / LTM Cameras 09-23-2017
Replies: 21
Views: 2,206
Posted By jcb4718
I think I have figured out why the aspect ratio...

I think I have figured out why the aspect ratio is not quite 3:2 at least at infinity. At the closest distance, the framelines are close to 3:2 and I imagine pretty exact. Towards infinity two things...
Forum: Leica Screw Mount / LTM Cameras 09-13-2017
Replies: 21
Views: 2,206
Posted By jcb4718
Advice on Leica SBOOI and screw mount viewfinders

Could anyone give some insight into the reason for the aspect ratio of the Leica screw mount viewfinder and the SBOOI brightline finder? The SBOOI has a ratio of about 1:1.25 (24x36mm is of course...
Forum: Leica Screw Mount / LTM Cameras 09-13-2017
Replies: 0
Views: 691
Posted By jcb4718
Advice on Leica SBOOI and screw mount viewfinders

Sorry, for some reason this was posted twice and I don't know how to delete it or even if that is possible! So I've just deleted the text.
Forum: Leica Screw Mount / LTM Cameras 09-13-2017
Replies: 0
Views: 690
Posted By jcb4718
Advice on Leica SBOOI and screw mount viewfinders

Could anyone give some insight into the reason for the aspect ratio of the Leica screw mount viewfinder and the SBOOI brightline finder? The SBOOI has a ratio of about 1:1.25 (24x36mm is of course...
Forum: Nikon Historical Society 09-11-2017
Replies: 16
Views: 2,398
Posted By jcb4718
I have the rigid Nikkor and it is definitely a...

I have the rigid Nikkor and it is definitely a Tessar. It has an odd filter size (34.5mm) so I had to use a B&W 32mm push on filter (wrapped with thin strip of PVC tape so it gripped on its outside)....
Forum: Leica Screw Mount / LTM Cameras 09-02-2017
Replies: 77
Views: 2,796
Posted By jcb4718
I have a Canon 50mm f1.5 on my IIIG. Its a great...

I have a Canon 50mm f1.5 on my IIIG. Its a great lens but the others mentioned are great, too, no doubt. This size of lens plays to a strength of the IIIG, namely that it does not intrude into the...
Forum: SLRs - the unRF 07-19-2017
Replies: 3,775
Views: 728,211
Posted By jcb4718
For sure the OM lenses with CRC include the...

For sure the OM lenses with CRC include the 18mm/f3.5, 21mm/f2, 24mm/f2, 28mm/f2, 50mm/f3.5, 85mm/f2. I would guess also the 50mm/f2, 100mm/f2, 180mm/f2, 250mm/f2 and 350mm /f2.8. The initial range...
Forum: Optics Theory - 07-17-2017
Replies: 19
Views: 2,589
Posted By jcb4718
Well, its a black art, lens design, but I think...

Well, its a black art, lens design, but I think in very general terms, if you push too hard in one direction it can be at the expense of something else, whatever the basic design. I just have this...
Forum: Optics Theory - 07-17-2017
Replies: 19
Views: 2,589
Posted By jcb4718
I'm not sure double gauss by itself leads to a...

I'm not sure double gauss by itself leads to a pleasing transition to OOF and mild contrast. Spherical aberration is caused by the different focal lengths of rays, axial vs. peripheral. Double gauss...
Forum: Bill Pierce - Leica M photog and author 07-12-2017
Replies: 411
Views: 16,975
Posted By jcb4718
I just like the look of film. I can always tell,...

I just like the look of film. I can always tell, I think, certainly with the pictures I take. On holiday, for example, I have a film camera and a digital camera, the later being when flash or high...
Forum: SLRs - the unRF 06-22-2017
Replies: 107
Views: 3,673
Posted By jcb4718
I also vote for the OM 4 or OM 4Ti while...

I also vote for the OM 4 or OM 4Ti while admitting that any of the cameras suggested are fine. The OM 4Ti is relatively small, aperture priority only, and has a spot metering system whereby up to 8...
Forum: Leica Screw Mount / LTM Cameras 05-27-2017
Replies: 2,167
Views: 617,323
Posted By jcb4718
I've just checked my Nikkor 5cm f3.5 rigid lens...

I've just checked my Nikkor 5cm f3.5 rigid lens and it looks like a standard Tessar i.e. the diaphragm is towards the rear of the lens.
Forum: Leica Screw Mount / LTM Cameras 05-04-2017
Replies: 2,167
Views: 617,323
Posted By jcb4718
I use a thin M6 stainless steel washer which I...

I use a thin M6 stainless steel washer which I hold in place using Blu Tac. The thin (i.e. not standard) washer is 0.8mm thick. The film canister must not be gripped (i.e. tend to rotate when you...
Forum: Optics Theory - 04-18-2017
Replies: 79
Views: 8,469
Posted By jcb4718
Here is my take on micro contrast. Your subject...

Here is my take on micro contrast. Your subject is a series of black and white strips gradually decreasing in width. The image is likewise a series of strips until the lens can't resolve them and...
Forum: SLRs - the unRF 04-02-2017
Replies: 21
Views: 1,717
Posted By jcb4718
I second the comments of Nukecoke. It's not a bad...

I second the comments of Nukecoke. It's not a bad camera but it tends to get a bad press on the internet because it is compared to the 'single digit' OMs. A lot of the differences are only really...
Forum: SLRs - the unRF 04-01-2017
Replies: 21
Views: 1,717
Posted By jcb4718
I started (35 years ago) with OM-1n cameras and...

I started (35 years ago) with OM-1n cameras and eventually switched to OM-4 cameras. I once owned an OM2000. Cosina supplied this camera to many SLR camera companies (the current Nikon FM10 is a...
Forum: Leica M Lenses and Images 03-16-2017
Replies: 51
Views: 3,349
Posted By jcb4718
I think it is better to ask if the 0.03mm circle...

I think it is better to ask if the 0.03mm circle is useful or not rather than meaningless or not. This limit, or a similar limit, is the basis of the depth of field scale engraved on a lens barrel....
Forum: Leica M Lenses and Images 03-16-2017
Replies: 51
Views: 3,349
Posted By jcb4718
As bsdunek has said, the depth of field...

As bsdunek has said, the depth of field ('acceptably sharp') is based on a 0.03mm blur circle i.e. the image of a point source is considered acceptably sharp if it is <0.03mm in diameter. This has...
Forum: Nikon Historical Society 03-13-2017
Replies: 19
Views: 2,903
Posted By jcb4718
I have the excellent book "The Street Photographs...

I have the excellent book "The Street Photographs of Roger Mayne' by Zelda Cheatle and Michael Mack. In it, Mayne explains

'Guess focus troubles a lot of beginners, but a story where lots of things...
Forum: Film / Developing / Chemistry 03-05-2017
Replies: 38
Views: 1,981
Posted By jcb4718
Kodak Colorplus 200, widely available of Ebay....

Kodak Colorplus 200, widely available of Ebay. For a small fun camera I take my Voigtlander Vito B (small viewfinder and with independently set aperture and shutter speeds, 1 sec to 1/125 sec in the...
Forum: Film vs Digital 03-01-2017
Replies: 13
Views: 2,104
Posted By jcb4718
I can relate to the comments made here. I use...

I can relate to the comments made here. I use standard Kodak 200 print film and have two camera systems: my older Olympus OM system with a variety of lenses (including a 28mm f3.5 lens) and a Leica...
Forum: SLRs - the unRF 02-19-2017
Replies: 3,775
Views: 728,211
Posted By jcb4718
The 'battery check' should tell you if the...

The 'battery check' should tell you if the battery is dead or not. If the check indicates that the battery is dead and the shutter fires on the 'red 60' setting (i.e. the all mechanical 1/60sec...
Forum: Leica Screw Mount / LTM Cameras 02-12-2017
Replies: 7
Views: 1,457
Posted By jcb4718
I echo the comments of sreed2006. I have a IIIg...

I echo the comments of sreed2006. I have a IIIg and a IIIf. The IIIg viewfinder is a little dimmer and has a slight yellow cast. The IIIf viewfinder is definitely brighter and has a more neutral...
Forum: Leica Screw Mount / LTM Cameras 02-02-2017
Replies: 14
Views: 1,703
Posted By jcb4718
I don't think you would notice the difference in...

I don't think you would notice the difference in sharpness between the lenses unless you went looking for it but out-of-focus effects (bokeh) are immediately apparent. The Summitar has a very busy,...
Forum: Leica Screw Mount / LTM Cameras 01-26-2017
Replies: 7
Views: 1,080
Posted By jcb4718
I used Milliput BLACK putty to replace a small...

I used Milliput BLACK putty to replace a small bit of vulcanite that had broken away from around the slow speed dial of my IIIG (between the dial and the lens flange). Its easy to work and gives you...
Forum: Leica Screw Mount / LTM Cameras 11-03-2016
Replies: 12
Views: 1,636
Posted By jcb4718
Whilst on this topic, it doesn't seem that the...

Whilst on this topic, it doesn't seem that the brightline 'box' is in the ratio 2:3. It seems 'squarer'. Maybe it's something to do with accommodating near and far scenes in the framelines? After...
Forum: Leica Screw Mount / LTM Cameras 10-17-2016
Replies: 65
Views: 4,270
Posted By jcb4718
There is a genuine collar for sale on ebay.com....

There is a genuine collar for sale on ebay.com. The seller is foxefuchs who sells screwmount cameras he has refurbished himself, as well as various accessories.
Forum: Travel 09-06-2016
Replies: 74
Views: 4,523
Posted By jcb4718
We went to Sorrento a couple of years ago and...

We went to Sorrento a couple of years ago and took a coach ride along the Amalfi coast. I thought the roads unsuitable for heavy traffic, particularly coaches. They get stuck on the hairpin bends and...
Forum: Repair / Camera Care 08-03-2016
Replies: 2
Views: 645
Posted By jcb4718
A top, perhaps the top, Leica expert in the UK is...

A top, perhaps the top, Leica expert in the UK is Malcolm Taylor, Upper Lye farm, Aymestrey, Leominster, Hertfordshire HR6 9SZ. Tel. 01-568-770542.
Forum: Leica Screw Mount / LTM Cameras 04-23-2016
Replies: 47
Views: 4,011
Posted By jcb4718
What does MFD mean?

What does MFD mean?
Forum: Film / Developing / Chemistry 03-30-2016
Replies: 13
Views: 3,939
Posted By jcb4718
I...

I use

http://www.photofilmprocessing.co.uk/

They are good although now I only use their 'develop and CD' service.
Forum: Leica Screw Mount / LTM Cameras 03-28-2016
Replies: 65
Views: 6,020
Posted By jcb4718
Does the Canon f1.8 block the Leica IIIc...

Does the Canon f1.8 block the Leica IIIc viewfinder?
Forum: Optics Theory - 03-21-2016
Replies: 4
Views: 1,391
Posted By jcb4718
I have Rudolph Kingslake's 'A History of the...

I have Rudolph Kingslake's 'A History of the Photographic Lens'. Very readable without being mathematical. It discusses how the various lens aberrations were progressively reduced. About half the...
Forum: Lomography 03-01-2016
Replies: 336
Views: 32,543
Posted By jcb4718
I echo the praise of the Zeiss Opton. I have one...

I echo the praise of the Zeiss Opton. I have one with the Amedeo adapter. It's a superb lens. It's at its best (or should I say displays its characteristics best) when stopped down a little (say...
Forum: Canon Leica Screw Mount Film Rangefinders 02-04-2016
Replies: 30
Views: 3,808
Posted By jcb4718
I have a fairly standard set up to assess lenses....

I have a fairly standard set up to assess lenses. A side-by-side comparison of the same scene taken at the same time is the only way to really compare lenses (although to see if I like a lens I...
Forum: Canon Leica Screw Mount Film Rangefinders 02-02-2016
Replies: 30
Views: 3,808
Posted By jcb4718
I have the Canon 50mm f3.5 collapsible but I...

I have the Canon 50mm f3.5 collapsible but I don't have an Elmar f3.5. As others have said, the Canon does not collapse as much as the Elmar but because of its aperture ring (it has click stops) the...
Forum: Leica Screw Mount / LTM Cameras 11-20-2015
Replies: 3
Views: 1,140
Posted By jcb4718
I have this lens. The filters are nearly...

I have this lens. The filters are nearly impossible to find. I use a 32mm push on filter. I wound a thin strip of PVC tape around the outside and slipped it on, gripping on the outside of the filter...
Forum: Photography General Interest 10-20-2015
Replies: 19
Views: 1,290
Posted By jcb4718
I shoot a roll of film but reserve a few shots at...

I shoot a roll of film but reserve a few shots at the end of for a standard set up I have, see attachment. It gives me a quick way of assessing various things like sharpness (centre and edge), colour...
Forum: Leica General Discussion / News / Rumors 10-17-2015
Replies: 8
Views: 3,116
Posted By jcb4718
Looking at your diagram 'Leica M3 Rangefinder...

Looking at your diagram 'Leica M3 Rangefinder Optical Diagram' it looks like Leica as a design principle decided to change the directions of the light only using prisms relying on Total Internal...
Forum: Leica Screw Mount / LTM Cameras 08-19-2015
Replies: 2,167
Views: 617,323
Posted By jcb4718
That's a nice looking camera, Dralowid and having...

That's a nice looking camera, Dralowid and having it in your possession for 50 years must make it special for you. How often did you use it? Any interesting stories?
Forum: Point-N-Shoot 35mm Cameras 06-25-2015
Replies: 40
Views: 4,237
Posted By jcb4718
Yashica T4. Good Zeiss Tessar lens with a 35mm...

Yashica T4. Good Zeiss Tessar lens with a 35mm focal length. Simple controls. A classic P&S.
Forum: Leica Screw Mount / LTM Cameras 06-07-2015
Replies: 6
Views: 1,562
Posted By jcb4718
Thanks for that D.O'K. I think your comment has...

Thanks for that D.O'K. I think your comment has conclusively answered my question. The blockage is about the same as my CV 21mm. It's the same hood size and, although the CV 50mm may be a little...
Forum: Leica Screw Mount / LTM Cameras 06-05-2015
Replies: 6
Views: 1,562
Posted By jcb4718
Thanks for all the replies! I have a CV 21mm f4....

Thanks for all the replies! I have a CV 21mm f4. Of course I don't use the IIIf viewfinder with this lens but I do have its dimensions (length (flange to front) 29.5mm; diameter (mini hood on front)...
Forum: Leica Screw Mount / LTM Cameras 06-01-2015
Replies: 6
Views: 1,562
Posted By jcb4718
Leica IIIf viewfinder question

Does the Voigtlander 50mm f2.5 LTM partially block the IIIf viewfinder? If so, by how much? I have several of LTM lenses and know roughly what combination of diameter and (flange to front) length are...
Forum: Leica Screw Mount / LTM Cameras 05-20-2015
Replies: 40
Views: 4,096
Posted By jcb4718
I wear glasses so using a Barnak was a problem. I...

I wear glasses so using a Barnak was a problem. I came up with a couple of solutions (see attachment). Firstly I bought a old (film) SLR dioptre (which are readily available on Ebay). The frame that...
Forum: SLRs - the unRF 05-13-2015
Replies: 23
Views: 3,034
Posted By jcb4718
Oh...um...sorry!

Oh...um...sorry!
Forum: SLRs - the unRF 05-13-2015
Replies: 23
Views: 3,034
Posted By jcb4718
I would echo the advice of David Hughes. I have...

I would echo the advice of David Hughes. I have several OM-1n's and have not had (or at least not noticed) any 'prism problems'. I had them modified to take SR44 batteries and occasionally the meter...
Forum: Photo Accessories / Bags/ Meters / Tripods etc 04-27-2015
Replies: 82
Views: 13,969
Posted By jcb4718
Domke F803. A bit smaller than the Filson Harvey...

Domke F803. A bit smaller than the Filson Harvey Messenger, not so high class as the Oberwerth Freiburg. You definitely need the full size insert (which you have to buy separately).
Forum: Photography General Interest 04-13-2015
Replies: 45
Views: 4,093
Posted By jcb4718
Well that's exactly it, Paul Jenkin and...

Well that's exactly it, Paul Jenkin and Ischrader. Digital camera sales shot up but it could well be that they will stabilise at something like the level analogue sales achieved. Surely there will...
Forum: Photography General Interest 04-13-2015
Replies: 45
Views: 4,093
Posted By jcb4718
It is an interesting graph. It seems to be...

It is an interesting graph. It seems to be describing two different things. Firstly, actual camera sales are holding up i.e. digital camera sales are about the same as the peak of analogue camera...
Forum: Rangefinder Photography Discussion 04-09-2015
Replies: 30
Views: 3,888
Posted By jcb4718
I don't understand why its 'one or the other'...

I don't understand why its 'one or the other' with lens resolution and contrast. If you said: a high resolution lens has more elements so there are more reflections then I could see a reason why more...
Forum: Rangefinder Photography Discussion 04-09-2015
Replies: 30
Views: 3,888
Posted By jcb4718
What an interesting discussion. Here is my input:...

What an interesting discussion. Here is my input: there are two types of contrast. There's 'veiling flare' which is due to stray light in the lens getting into the dark areas of the print. It spills...
Forum: SLRs - the unRF 04-08-2015
Replies: 40
Views: 5,731
Posted By jcb4718
There isn't much difference between the 100mm...

There isn't much difference between the 100mm f2.8 and the 85mm f2. The main design difference is the minimum focussing distance (1m vs. 0.85m). Olympus patented a 'close focussing correction'...
Forum: FSU Former Soviet Union RF 02-23-2015
Replies: 38
Views: 5,358
Posted By jcb4718
Another photo from my 1964 school trip to the...

Another photo from my 1964 school trip to the USSR (from the UK). We visited a space museum and were shown this mock up of the Vostok space capsule. As I explained in my last post, I had a pretty...
Forum: FSU Former Soviet Union RF 02-19-2015
Replies: 38
Views: 5,358
Posted By jcb4718
A couple of shots taken in 1964 during a school...

A couple of shots taken in 1964 during a school trip (from the UK) to the USSR. Not taken with a Russian camera in fact I don't remember the make but it was a simple scale focus camera and of course...
Forum: back alley's In The Bag 02-14-2015
Replies: 20
Views: 3,583
Posted By jcb4718
I'd be surprised if anybody had researched this...

I'd be surprised if anybody had researched this question enough to give a definitive answer but here is my guess: we have all seen how mould collects on wet surfaces (bathrooms, fridges switched off...
Forum: Photography General Interest 02-13-2015
Replies: 21
Views: 4,408
Posted By jcb4718
Bob makes a valid point. If a 35mm focal length...

Bob makes a valid point. If a 35mm focal length works for street scenes at home it will work equally well for street scenes in Peru etc. etc. As Dante shows with his excellent Machu Picchu photo, the...
Forum: Leica Screw Mount / LTM Cameras 02-08-2015
Replies: 33
Views: 2,250
Posted By jcb4718
I have a IIIG and a couple of IIIf's. They are...

I have a IIIG and a couple of IIIf's. They are all in good condition but I know little of their service history. In a side-by-side comparison I would say the IIIf's have a slightly more contrasty RF...
Forum: SLRs - the unRF 01-27-2015
Replies: 3,775
Views: 728,211
Posted By jcb4718
That's about it, except that the camera metering...

That's about it, except that the camera metering is calibrated for an average scene or, being technical about it, an 18% reflectivity grey card. So the subject you meter off should be similarly...
Forum: Film / Developing / Chemistry 01-25-2015
Replies: 150
Views: 17,895
Posted By jcb4718
There's no 'right' or 'wrong' about this,...

There's no 'right' or 'wrong' about this, Ecowarrior. All we can do is share our experiences with you and let you make your mind up. I started with the Olympus OM system many years ago and eventually...
Forum: Voigtlander Bessa Leica Mount Cameras 12-19-2014
Replies: 25
Views: 2,732
Posted By jcb4718
Some years ago (more than 10) I visited a camera...

Some years ago (more than 10) I visited a camera shop with the intention of buying a Bessa R. There were lots of them on display and every one had a misaligned rangefinder patch. Maybe that was the...
Forum: SLRs - the unRF 12-01-2014
Replies: 42
Views: 4,747
Posted By jcb4718
I have used the OM 200mm f4 and the 180mm f2.8....

I have used the OM 200mm f4 and the 180mm f2.8. If you look for it, the 180mm has more purple fringing and its a deeper purple, too. But in 'real' photos I never noticed it much. In the end I kept...
Forum: Leica Screw Mount / LTM Cameras 09-16-2014
Replies: 14
Views: 2,336
Posted By jcb4718
I also prefer to have an unobstructed Barnak...

I also prefer to have an unobstructed Barnak viewfinder. I have two lenses that do not obstruct its viewfinder:
1. the Canon 50mm f3.5 collapsible. Its a straight Tessar design. In appearance it...
Forum: Rangefinder Photography Discussion 08-26-2014
Replies: 24
Views: 2,881
Posted By jcb4718
I have the Leica black plastic 21mm viewfinder. I...

I have the Leica black plastic 21mm viewfinder. I can use it while wearing my glasses and find it provides a good side-to-side view. The edge of the viewfinder coincide with the framelines so you...
Forum: Analog DarkRoom / Printing 08-21-2014
Replies: 12
Views: 1,768
Posted By jcb4718
I have never used a Kaiser so I can't compare. I...

I have never used a Kaiser so I can't compare. I have a V35 (which is only compatible with 35mm film) and it is a joy to use. The image remains in focus for any enlargement (via a clever cam...
Forum: Optics Theory - 07-25-2014
Replies: 18
Views: 2,701
Posted By jcb4718
As you say, it looks like something is amiss at...

As you say, it looks like something is amiss at f2.8. Have you got a hand held lightmeter with a flash measuring capability (I have a Gossen Variosix F which measures flash levels)? You could place...
Forum: SLRs - the unRF 07-10-2014
Replies: 7
Views: 1,523
Posted By jcb4718
The Olympus Patent for this lens calls it a...

The Olympus Patent for this lens calls it a 'variant Ernostar'. The Patent describes an Ernostar with an extra element in the front group. The Ernostar evolved into the Sonnar (both being designed by...
Forum: Leica Screw Mount Copies 06-16-2014
Replies: 34
Views: 7,524
Posted By jcb4718
I have the Canon 50mm f3.5 collapsible. It is...

I have the Canon 50mm f3.5 collapsible. It is indeed a Tessar design. It handles superbly and the optical quality is excellent. The click stop aperture ring is 'conventional' (i.e. around the barrel...
Forum: Rangefinder Photography Discussion 06-13-2014
Replies: 39
Views: 3,045
Posted By jcb4718
I have trekked across the Andes four times,...

I have trekked across the Andes four times, lasting 4-10 days each, tents, mules, the lot. I took an Olympus OM SLR, 24mm and 50mm lenses, and a flashgun. Also one spare camera in my holdall. Plenty...
Forum: Film / Developing / Chemistry 06-08-2014
Replies: 42
Views: 7,063
Posted By jcb4718
I only use 35mm and the largest prints I have on...

I only use 35mm and the largest prints I have on my wall are about 1000mm x 650mm. The point is that for larger prints you have to stand back and this makes less important the loss of detail per...
Forum: Voigtlander Bessa Leica Mount Cameras 04-04-2014
Replies: 20
Views: 2,058
Posted By jcb4718
This is from memory: the Tessar was invented in...

This is from memory: the Tessar was invented in 1902 by Rudolph working for Zeiss. It was a favoured lens for about 50 years, in particular in the days before anti-reflection coatings, because the...
Forum: Leica M Film Cameras 04-03-2014
Replies: 34
Views: 10,625
Posted By jcb4718
It's plenty sharp enough and it handles well. I...

It's plenty sharp enough and it handles well. I have 3 'Tessar like' lenses: the LTM f2.8 Elmar and 2 Vito B's, one with an f3.5 and the other with an f2.8 Color Skopar. The f3.5 lens is very sharp...
Forum: Point-N-Shoot 35mm Cameras 02-24-2014
Replies: 47
Views: 18,123
Posted By jcb4718
I have owned 2 Mju II cameras and they both...

I have owned 2 Mju II cameras and they both developed the same fault. They leaked light onto the negative, adjacent to the viewfinder. I could see the problem: the seal at that point is just a thin...
Forum: Repair / Camera Care 01-22-2014
Replies: 53
Views: 6,342
Posted By jcb4718
I have used both systems throughout my life (in...

I have used both systems throughout my life (in the UK). Inches and feet seem to be a better scale around the house, e.g. carpentry. But I'm a physicist and its the completeness of the SI units that...
Forum: Fixed Lens 35mm RF 01-05-2014
Replies: 48
Views: 7,245
Posted By jcb4718
Let me clarify my comment about the Vito B being...

Let me clarify my comment about the Vito B being 'handy'. It's an easy camera to carry around in my hand and it sits nicely in my palm when I turn it, as I must, to both see and adjust the aperture...
Forum: Fixed Lens 35mm RF 01-04-2014
Replies: 48
Views: 7,245
Posted By jcb4718
Another vote for the Voigtlander Vito B (small...

Another vote for the Voigtlander Vito B (small viewfinder). I have a Voigtlander rangefinder slipped into the accessory shoe. It's scale matches the scale on the lens so setting the focus is quite...
Forum: Analog DarkRoom / Printing 10-17-2013
Replies: 9
Views: 1,536
Posted By jcb4718
Before getting into the chemicals, are you sure...

Before getting into the chemicals, are you sure that simply increasing the enlarger exposure will not do the trick? You should always be able to obtain a print with dark areas (assuming there are...
Forum: SLRs - the unRF 10-02-2013
Replies: 16
Views: 2,795
Posted By jcb4718
I have the Zuiko f1.8 and the f1.4. Like most...

I have the Zuiko f1.8 and the f1.4. Like most lenses they are pushing their limits when used wide open. The f1.8 at f1.8 vignettes slightly and this has a knock on effect on the bokeh. It vignettes...
Forum: Image Processing: Darkroom / Lightroom / Film 09-30-2013
Replies: 13
Views: 1,696
Posted By jcb4718
Welcome to the forum, Katie. This reply is going...

Welcome to the forum, Katie. This reply is going to be something of a 'blast from the past' because displaying a print on a monitor is only an intermediate step for me, my ultimate way of displaying...
Forum: Travel 09-27-2013
Replies: 3
Views: 1,007
Posted By jcb4718
We did the Inca Trail a few years ago and like...

We did the Inca Trail a few years ago and like KenR, found it quite overcast. The ruins were lost-and-found in the mist. The following year we trekked to Choquiquario, the remote sister city of...
Forum: Photography General Interest 09-19-2013
Replies: 35
Views: 3,833
Posted By jcb4718
I can understand why you ask. You don't mean to...

I can understand why you ask. You don't mean to end up with lots of cameras. Each purchase is perfectly logical at the time but somehow after a while you end up with more cameras than you can use! In...
Forum: SLRs - the unRF 09-18-2013
Replies: 8
Views: 1,431
Posted By jcb4718
I haven't been following the OM threads on this...

I haven't been following the OM threads on this forum so at the risk of repeating what has been said, I can confirm that adapting an OM-1n to accept SR44 batteries is reliable and straightforward....
Forum: Analog DarkRoom / Printing 08-08-2013
Replies: 25
Views: 3,582
Posted By jcb4718
I live in the UK and to give you an idea of how...

I live in the UK and to give you an idea of how difficult it can be to buy materials, I see on Ebay you can buy Ektacolor developer for 12 and Ektacolor fix for 22. So far so good but the delivery...
Forum: Analog DarkRoom / Printing 08-07-2013
Replies: 25
Views: 3,582
Posted By jcb4718
As some of the replies have indicated, color...

As some of the replies have indicated, color printing may be OK if you have properly calibrated professional equipment. I set up my darkroom to make color prints. Basically its like black and white...
Forum: Rangefinder Photography Discussion 08-07-2013
Replies: 15
Views: 1,595
Posted By jcb4718
The Vitomatics and the earlier Vito's are unusual...

The Vitomatics and the earlier Vito's are unusual in that the advancing film cocks the shutter. You can see the gearing at the top of the film chamber. This means that if the film is not present, or...
Forum: SLRs - the unRF 07-24-2013
Replies: 13
Views: 1,444
Posted By jcb4718
That is interesting! When I take pictures when...

That is interesting! When I take pictures when trekking at altitude, because the contrast is so great I use fill in flash e.g. to lift the shadow on people's faces. With my OM 1n I could not quite...
Forum: SLRs - the unRF 07-16-2013
Replies: 3,775
Views: 728,211
Posted By jcb4718
The 180mm f2.8 does exhibit CA under certain...

The 180mm f2.8 does exhibit CA under certain conditions e.g. on the edges of the highlights if a subject is back-lit. It's still a great lens but the CA effect is not so pronounced in other Zuiko...
Forum: Film / Developing / Chemistry 06-02-2013
Replies: 51
Views: 5,953
Posted By jcb4718
XP2 is a great film. Very punchy. I get my film...

XP2 is a great film. Very punchy. I get my film developed by Ilford. The biggest problem I have getting film developed (colour and B&W) is damage to the negatives (tramlines, scratches etc.). I value...
Forum: Roger Hicks -- Author of The Rangefinder Book 05-27-2013
Replies: 63
Views: 8,663
Posted By jcb4718
In 1964 I went on a school trip to the USSR (from...

In 1964 I went on a school trip to the USSR (from the UK, by train). I had with me a simple camera (whose name I have long forgotten). Just two shutter speeds and two apertures (the smaller aperture...
Forum: Leica Screw Mount / LTM Cameras 04-29-2013
Replies: 35
Views: 6,240
Posted By jcb4718
I have a Leica IIIg which I use with a Canon 50mm...

I have a Leica IIIg which I use with a Canon 50mm f1.5 sonnar type lens. I recently compared it (in a fanciful way!) with a Vito B in the photo.net, Classic Manual Camera section (4 April 2013). I...
Forum: Travel 04-18-2013
Replies: 53
Views: 5,769
Posted By jcb4718
I have been to Peru four times, the first time an...

I have been to Peru four times, the first time an extensive tour (Lima, the Amazon, Cusco, the Inca Trail to Machu Picchu, the altiplano train from Cusco to Puno, visiting the Uros Islanders on Lake...
Forum: SLRs - the unRF 04-13-2013
Replies: 38
Views: 3,158
Posted By jcb4718
Sooner or later, I've almost always regretted...

Sooner or later, I've almost always regretted selling kit I owned. My advice is to store the camera you would sell and forget about it. Out of sight, out of mind! You may come to hanker after the...
Forum: SLRs - the unRF 04-04-2013
Replies: 34
Views: 10,773
Posted By jcb4718
Some of you folks have said your 'later' f1.4 is...

Some of you folks have said your 'later' f1.4 is better than your 'earlier' f1.4. Does anyone have a couple of photos that might illustrate the difference? For my part I have a 50mm f1.8 ('Japan',...
Forum: Film vs Digital 03-31-2013
Replies: 10
Views: 1,727
Posted By jcb4718
The end point of my photos of, say, a trip, are...

The end point of my photos of, say, a trip, are one of the reasons I stick with film. For a week long trek I might shoot 10 rolls of film or 360 photos. About 50% don't make it past 'first view'. The...
Forum: Photo Accessories / Bags/ Meters / Tripods etc 03-22-2013
Replies: 72
Views: 6,643
Posted By jcb4718
There seems to be as many opinions about tripods...

There seems to be as many opinions about tripods as there are photographers! I think all I can do is say what tripod works for me. I use the Slik Sprint Mini GM. Weight 0.7kg. Extended length 1.54m;...
Forum: Tom Abrahamsson of RapidWinder.com 03-08-2013
Replies: 498
Views: 153,016
Posted By jcb4718
Gosh there are a lot of M2 owners out there! Can...

Gosh there are a lot of M2 owners out there! Can I ask you guys a question: how is the M2 viewfinder for people (like me) who wear glasses? The only camera I have ever owned where I could see the...
Forum: Photography General Interest 03-07-2013
Replies: 146
Poll: 28mm vs 35mm
Views: 23,431
Posted By jcb4718
I carry a 24mm and a 50mm lens. The 24mm puts...

I carry a 24mm and a 50mm lens. The 24mm puts people in the scene and everything is in focus. The 50mm crops in of course and its easy to get out of focus backgrounds. 28mm is similar to the 24mm but...
Forum: SLRs - the unRF 03-02-2013
Replies: 112
Views: 14,691
Posted By jcb4718
Well, what a correspondence! Glad to hear all you...

Well, what a correspondence! Glad to hear all you OM guys are still alive and kicking! To return to the question: you will not go far wrong with any of them. I have a couple of OM 1n cameras. I like...
Forum: Repair / Camera Care 02-21-2013
Replies: 10
Views: 1,312
Posted By jcb4718
I have a Gossen Variosix F light meter which, in...

I have a Gossen Variosix F light meter which, in flash mode, I have used to measure shutter speeds. The camera back is opened and a torch (ON) is placed close to the lens. The light meter is placed...
Forum: Photo Accessories / Bags/ Meters / Tripods etc 02-20-2013
Replies: 87
Views: 7,532
Posted By jcb4718
I mostly use a Sekonic L-208. I use it in...

I mostly use a Sekonic L-208. I use it in 'reflective light mode' i.e. with the sensor exposed I point it at the scene (a little bit down in fact to exclude the sky) and take the reading. It works...
Forum: Rangefinder Photography Discussion 12-18-2012
Replies: 23
Views: 2,676
Posted By jcb4718
Sevo has a point. Aperture is a kind of...

Sevo has a point. Aperture is a kind of geometrically defined quantity related, but not precisely related, to the light hitting the film plane...and certainly not precisely enough for the motion...
Forum: Rangefinder Photography Discussion 12-16-2012
Replies: 23
Views: 2,676
Posted By jcb4718
Well BNLee I confess I'm a physicist by trade!...

Well BNLee I confess I'm a physicist by trade! You are right shooting cameras is best. You can analyse things too much! As I said I was amazed at the difference in bokeh between my 50mm f1.8 and f1.4...
Forum: Rangefinder Photography Discussion 12-16-2012
Replies: 23
Views: 2,676
Posted By jcb4718
It's an interesting question but difficult to...

It's an interesting question but difficult to answer without diagrams, but here goes. You have to visualise what is happening to the rays passing through the lens. A simple one element lens captures...
Forum: SLRs - the unRF 10-11-2012
Replies: 28
Views: 5,315
Posted By jcb4718
I have a 50mm f2 and a 35mm f2.8. I also have two...

I have a 50mm f2 and a 35mm f2.8. I also have two standard 50mm lenses, the f1.8 and the f1.4. I've never had a 40mm f2. In my experience you would be hard pushed to distinguish between the lenses on...
Forum: Fixed Lens 35mm RF 10-10-2012
Replies: 22
Views: 2,779
Posted By jcb4718
It's a great camera, I have one. The lens is a...

It's a great camera, I have one. The lens is a Heliar design (5 elements in 3 groups). It's the earliest 50mm Heliar I have seen. It's not razor sharp but it does produce a nice bokeh. It's smooth,...
Forum: Fixed Lens 35mm RF 01-12-2011
Replies: 268
Views: 107,150
Posted By jcb4718
Voigtlander Vitomatic

Dare I mention the Voigtlander Vitomatic? It has a big bright 1:1 viewfinder with projected framelines and rangefinder. Great for people (like me) with glasses. I have a Vito B with a small...
Showing results 1 to 180 of 180

 


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