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Forum: Yashica RF 04-07-2018
Replies: 21
Views: 4,007
Posted By mburns
Yes! this rangefinder adjustment was left undone...

Yes! this rangefinder adjustment was left undone when my Electro 35 was refurbished. I reset the distance scale on this camera to be accurate first. It was off as much as the depth of field at f/16....
Forum: FSU Former Soviet Union RF 10-20-2017
Replies: 7
Views: 963
Posted By mburns
After your calibration, you are probably seeing...

After your calibration, you are probably seeing the intrinsic inaccuracy of a rangefinder at intermediate distances. I have measured this before on my rangefinders.
Forum: FSU Former Soviet Union RF 04-10-2017
Replies: 4
Views: 1,032
Posted By mburns
The angle of view on my copy is quite small, much...

The angle of view on my copy is quite small, much more narrow than a standard lens. But it finds the distance in meters just fine. The case for it has no snap closure.
Forum: Repair / Camera Care 03-10-2017
Replies: 34
Views: 2,036
Posted By mburns
Shutter speeds are not a reason for disposing of...

Shutter speeds are not a reason for disposing of a camera! Just find a way to measure the speeds and then enjoy shooting film. I was shown by a camera technician the Leitz manual which specifies that...
Forum: Yashica RF 02-13-2017
Replies: 2
Views: 1,027
Posted By mburns
The hard stop on the lens is another independent...

The hard stop on the lens is another independent adjustment.
Forum: Yashica RF 02-13-2017
Replies: 2
Views: 1,027
Posted By mburns
The hard stop at infinity is as accurate as the...

The hard stop at infinity is as accurate as the factory technician managed to do it. I have a Yashica rangefinder camera with which I used hyperfocal technique and high iso film. This turned out to...
Forum: Yashica RF 07-13-2016
Replies: 36
Views: 3,924
Posted By mburns
This camera has the metering that I do not fight....

This camera has the metering that I do not fight. The negative strips have a uniformity that I can recognize.
Forum: FSU Former Soviet Union RF 04-24-2016
Replies: 12
Views: 1,560
Posted By mburns
Your lens seems to be within the factory...

Your lens seems to be within the factory specifications from your clear description. So pickup an FSU rangefinder to match it, one with a nice viewfinder.
Forum: FSU Former Soviet Union RF 03-25-2016
Replies: 15
Views: 2,632
Posted By mburns
I have a copy of an Industar 61 which lacks a...

I have a copy of an Industar 61 which lacks a good coating on its front surface, and it also is missing a black baffle in the barrel behind the glass.

All the same, the pictures were fine with it,...
Forum: TLR Forum - Twin Lens Reflex 01-24-2016
Replies: 22
Views: 2,595
Posted By mburns
These exposure charts referred to here are too...

These exposure charts referred to here are too optimistic about cloudy light, and do not mention the lower light with the sun low in the sky. The light declines fast around sunset, about 3.5 stops...
Forum: SLRs - the unRF 03-25-2015
Replies: 41
Views: 3,204
Posted By mburns
The link is fixed.

Well I'll be ... . Thanks so much! The link is now fixed.
Forum: SLRs - the unRF 03-24-2015
Replies: 41
Views: 3,204
Posted By mburns
Oh. There is some flare from my 40mm, so I try a...

Oh. There is some flare from my 40mm, so I try a short lens shade.
Forum: SLRs - the unRF 03-24-2015
Replies: 41
Views: 3,204
Posted By mburns
-A later 5D does not have an off color...

-A later 5D does not have an off color display.

- I have given both the 40mm and 28mm lenses their extended residence on my 5D.

- And I work at neutralizing the Canon color bias. UFRaw post...
Forum: SLRs - the unRF 03-20-2015
Replies: 41
Views: 3,204
Posted By mburns
The SL-1 is worth more for its newer computer,...

The SL-1 is worth more for its newer computer, video auto focus, and action tracking focus.
Forum: TLR Forum - Twin Lens Reflex 02-26-2015
Replies: 66
Views: 14,445
Posted By mburns
Yes!567890

Yes!567890
Forum: TLR Forum - Twin Lens Reflex 02-26-2015
Replies: 66
Views: 14,445
Posted By mburns
But various kinds of disassembly of the camera...

But various kinds of disassembly of the camera will cause miscalibration of the focus when the camera is reassembled. The gear to gear meshing is responsible for this.
Forum: TLR Forum - Twin Lens Reflex 02-25-2015
Replies: 66
Views: 14,445
Posted By mburns
So the helicoid has the taking lens about 8mm too...

So the helicoid has the taking lens about 8mm too far from the film plane. This seems too small of a problem for missing or extra elements in the lens. And it also seems too big of a problem to...
Forum: TLR Forum - Twin Lens Reflex 02-25-2015
Replies: 66
Views: 14,445
Posted By mburns
There is no need for internal adjustments to the...

There is no need for internal adjustments to the lens, but only the meshing of the gears. The distance scale is accurate relative to the viewing lens you say, else that would need adjustment via the...
Forum: TLR Forum - Twin Lens Reflex 02-25-2015
Replies: 66
Views: 14,445
Posted By mburns
I had the Ricoh Superflex with a green grease...

I had the Ricoh Superflex with a green grease freezing the focus, so that the entire lens rotated on its mounting thread instead of the front element rotating on its focusing thread.

So, if the...
Forum: TLR Forum - Twin Lens Reflex 02-25-2015
Replies: 66
Views: 14,445
Posted By mburns
I think that you have a standard (for this kind...

I think that you have a standard (for this kind of lens) focus calibration issue. The front element focusing design need not be off by much distance to put the focus so far out of adjustment.

I...
Forum: SLRs - the unRF 02-10-2015
Replies: 6
Views: 1,244
Posted By mburns
It seems that the 5Ds and 5DsR have stronger...

It seems that the 5Ds and 5DsR have stronger color filter arrays for more accurate color rendition, like the 10D and Digital Rebel had before the newer emphasis on quality in low light.

The language...
Forum: Yashica RF 02-05-2015
Replies: 6
Views: 1,150
Posted By mburns
Slow

I posted pictures from my Electro 35 on G+ last month.
Forum: Repair / Camera Care 01-19-2015
Replies: 154
Views: 97,620
Posted By mburns
You could inquire at Peter's Camera Repair in...

You could inquire at Peter's Camera Repair in Grand Rapids.
Forum: SLRs - the unRF 01-09-2015
Replies: 73
Views: 9,118
Posted By mburns
The Canon 5D goes out of support, I read, in...

The Canon 5D goes out of support, I read, in March of this year. So get the free mirror fix now if you use an early number in hot weather.
Forum: SLRs - the unRF 01-09-2015
Replies: 73
Views: 9,118
Posted By mburns
I upgraded to a 30D and 5D combo from my Canon...

I upgraded to a 30D and 5D combo from my Canon Digital Rebel this past July. I have become more interested in this digital combo over film in my Canon FT for the sake of being able to control for...
Forum: Yashica RF 10-30-2014
Replies: 4
Views: 926
Posted By mburns
Well done. I suppose that you now feel determined...

Well done. I suppose that you now feel determined to get this camera working.
Forum: 120 film RF Folders 10-25-2014
Replies: 7
Views: 2,008
Posted By mburns
That Radionar defocus is awesome for its...

That Radionar defocus is awesome for its smoothness.
Forum: 120 film RF Folders 10-25-2014
Replies: 7
Views: 2,008
Posted By mburns
You should save the original takeup spool.

You should save the original takeup spool.
Forum: 120 film RF Folders 10-25-2014
Replies: 7
Views: 2,008
Posted By mburns
Congratulations on getting this camera. The...

Congratulations on getting this camera. The pictures from mine are contrasty and sharp. I have posted results at my G+ gallery.

It is particularly easy to load 120 film in these. It has a light duty...
Forum: Yashica RF 10-25-2014
Replies: 2
Views: 843
Posted By mburns
'Tis well done. You remind me to try slide film...

'Tis well done. You remind me to try slide film in the Yashica.
Forum: FSU Former Soviet Union RF 10-19-2014
Replies: 4
Views: 1,135
Posted By mburns
The old television trick is significant.

My FED 2 came from Ukraine last year with over-tensioned curtain adjustments and glitches in the curtain travel. Your example may have a glitch in the rotation of the shutter control, and it seems...
Forum: 120 film RF Folders 10-12-2014
Replies: 43
Views: 8,938
Posted By mburns
Folder cameras have an air space gap.

So I am careful to measure from the roller surface and not from the air gap surface closer to the lens.
Forum: SLRs - the unRF 09-17-2014
Replies: 14
Views: 1,718
Posted By mburns
It's just Google deprecating sites that have not...

It's just Google deprecating sites that have not changed their certificates, this being in order to make a new security protocol effective.
Forum: FSU Former Soviet Union RF 09-17-2014
Replies: 25
Views: 2,611
Posted By mburns
Yes, the focus is accurate on the crescent moon...

Yes, the focus is accurate on the crescent moon just now. At 4.5 meters, it reads 25 to 30 cm out. 3 meters is good, and 1.5 and 1.0 meters are slightly front focused.
Forum: FSU Former Soviet Union RF 09-15-2014
Replies: 25
Views: 2,611
Posted By mburns
'Will do. I was not previously concerned by this,...

'Will do. I was not previously concerned by this, because my Yashica GSN had the same quirk, and my Moskva-5 the opposite but less.

The back focus at 4.5 m is more like .3 m, when checking again,...
Forum: FSU Former Soviet Union RF 09-15-2014
Replies: 25
Views: 2,611
Posted By mburns
Oops.

That's backwards, isn't it. The shorter arm at long distance makes for back focus as one focuses closer.
Forum: FSU Former Soviet Union RF 09-14-2014
Replies: 25
Views: 2,611
Posted By mburns
I now think that I am looking at a variable arm...

I now think that I am looking at a variable arm length design here - implemented by the curved surface of the cam. The purpose, I think, is to reduce back focus at a distance of 3 meters while also...
Forum: FSU Former Soviet Union RF 09-14-2014
Replies: 25
Views: 2,611
Posted By mburns
Use the cam to fix close focus on Leica lenses.

So anyone could slightly shorten the lever arm of this cam in order to bring standard Leica lenses into correct calibration up close.

It is interesting also that my late production FED-2 (with no...
Forum: TLR Forum - Twin Lens Reflex 07-17-2014
Replies: 133
Views: 38,879
Posted By mburns
C3

So this is with a Mamiya C3 and 180mm lens, taken on Kodak Portra 160 film. It was a cold morning.
Forum: Yashica RF 06-23-2014
Replies: 337
Views: 101,393
Posted By mburns
I like your picture of the extender lens. They...

I like your picture of the extender lens. They work much better than the reviews allow, but the lookup tables for modifying the focus distance are rubbish. Simply reset the focus to .77 of what is...
Forum: FSU Former Soviet Union RF 06-09-2014
Replies: 11
Views: 1,135
Posted By mburns
http://jay.fedka.com/index_files/Page433.htm In...

http://jay.fedka.com/index_files/Page433.htm

In the absence of film, the flange to plate distance should be 28.8 mm; the characteristics of the film are not relevant then because the plate moves...
Forum: FSU Former Soviet Union RF 05-25-2014
Replies: 31
Views: 4,764
Posted By mburns
The nonlinear color profiles for color negative...

The nonlinear color profiles for color negative films are difficult to improvise, even after you have good black and white points for each color with a standardized scan exposure. So the dark grays...
Forum: Yashica RF 05-09-2014
Replies: 73
Views: 11,136
Posted By mburns
The GSN is light duty in design, not agricultural...

The GSN is light duty in design, not agricultural at all; this makes the camera fun for me. The sixties style chrome and the clunk when the shutter and meter come into calibration are acquired tastes...
Forum: Yashica RF 04-26-2014
Replies: 337
Views: 101,393
Posted By mburns
The Master Sergeant at CameraRefurb did this for...

The Master Sergeant at CameraRefurb did this for me.
Forum: FSU Former Soviet Union RF 04-15-2014
Replies: 25
Views: 3,960
Posted By mburns
Of course, the stuck take-up spool will cause...

Of course, the stuck take-up spool will cause serious problems with no additional help.
Forum: Yashica RF 04-05-2014
Replies: 73
Views: 11,136
Posted By mburns
I am having my GSN refurbished. It has no problem...

I am having my GSN refurbished. It has no problem competing for my attention against my other cameras. In it's day I had great fun with handheld phototography at night, even in parking lots lit at LV...
Forum: TLR Forum - Twin Lens Reflex 04-01-2014
Replies: 933
Views: 229,081
Posted By mburns
February in Grand Rapids

I got this result with my Mamiya C3, a 180mm lens, and Kodak Portra 160.
Forum: FSU Former Soviet Union RF 02-19-2014
Replies: 301
Views: 75,430
Posted By mburns
It is obvious that your lens has been reassembled...

It is obvious that your lens has been reassembled incorrectly. Someone here will confirm that and provide details, no doubt.
Forum: 120 film RF Folders 02-14-2014
Replies: 13
Views: 1,907
Posted By mburns
Yes, the focus is 1'73/4".

Yes, the focus is 1'73/4".
Forum: 120 film RF Folders 02-14-2014
Replies: 13
Views: 1,907
Posted By mburns
2x is definitely not 2 meters. You need to use...

2x is definitely not 2 meters. You need to use the table on the right in your illustration. Use infinity on the main lens and the focal length of the camera will not matter.
Forum: 120 film RF Folders 01-27-2014
Replies: 3
Views: 847
Posted By mburns
Isn't it so that the reason for medium format...

Isn't it so that the reason for medium format film is lost when scans have inadequate resolution?

I send 120 film out for 2100 dpi scans, so that the micro contrast in small detail is not entirely...
Forum: FSU Former Soviet Union RF 01-15-2014
Replies: 19
Views: 2,380
Posted By mburns
So if the rangefinder is calibrated to be...

So if the rangefinder is calibrated to be accurate at 1m instead of at 1.5m, then this can make a significant difference.

(I have found a 1 inch difference in calibration between those two distances...
Forum: FSU Former Soviet Union RF 01-13-2014
Replies: 19
Views: 2,380
Posted By mburns
What counts here is the calibration at infinity....

What counts here is the calibration at infinity. At lesser distances, the Zeiss standard only makes for a 1.6% back focus on Leica cameras.
Forum: FSU Former Soviet Union RF 01-02-2014
Replies: 9
Views: 1,500
Posted By mburns
Your measurement is so precise that it reveals...

Your measurement is so precise that it reveals mathematical imperfections in the design of most rangefinders. My Yashica GSN also has this 6" disagreement, showing 9.5' at a measured 9' from the film...
Forum: SLRs - the unRF 12-31-2013
Replies: 7
Views: 925
Posted By mburns
I like the vignetting and the subdued color. My...

I like the vignetting and the subdued color. My amateur reframing (using stitching software like Hugin) would exclude the car on the left and the fire hydrant on the right, also cutting out all of...
Forum: Yashica RF 11-26-2013
Replies: 845
Views: 210,221
Posted By mburns
Photo at dusk

The Yashica Electro 35 GSN camera, that is a replacement for my original that I have used since 1980, took this picture in the dusk with its lens wide open. The film was my last roll of Fujifilm...
Forum: FSU Former Soviet Union RF 11-20-2013
Replies: 5
Views: 1,051
Posted By mburns
Of course, no camera should expose film like...

Of course, no camera should expose film like that. But, consider this defect as a reminder to set the shutter speed after winding.
Forum: SLRs - the unRF 11-02-2013
Replies: 10
Views: 1,229
Posted By mburns
I can vouch for the sharpness of the EF 35-80mm...

I can vouch for the sharpness of the EF 35-80mm III. It's not expensive as it was an entry level lens. I see lens and camera kits sell for less than what the lens sells for.

I have a pair of EOS...
Forum: FSU Former Soviet Union RF 10-28-2013
Replies: 67
Views: 10,765
Posted By mburns
I would rather, then, that any lens be calibrated...

I would rather, then, that any lens be calibrated at infinity for either Leica or FSU cameras. It seems that my copy of an Industar-61 was correctly calibrated, as well as any other small camera lens...
Forum: FSU Former Soviet Union RF 10-28-2013
Replies: 67
Views: 10,765
Posted By mburns
Boomguy67, So, after studying your linked...

Boomguy67,

So, after studying your linked article, all this discussion of shimming Jupiter lens for use on a Leica reduces to a 1.4% back focus. The manual remedy for this is to reset the...
Forum: Yashica RF 10-19-2013
Replies: 845
Views: 210,221
Posted By mburns
Black and white pictures by lamplight - yes, that...

Black and white pictures by lamplight - yes, that is always the possibility with the Yashica GT electrically controlled shutter.
Forum: Yashica RF 10-19-2013
Replies: 845
Views: 210,221
Posted By mburns
https://plus.google.com/photos/1012094565174795094...

https://plus.google.com/photos/101209456517479509459/albums/5936265050707066785

I did not load a 100% crop here. But these pictures really are sharp at 17 million full color pixels. These are from...
Forum: Yashica RF 10-16-2013
Replies: 7
Views: 1,016
Posted By mburns
The easy fixes, then, are exercising the dickens...

The easy fixes, then, are exercising the dickens out of the controls and checking the integrity of the two red wires in the battery compartment. Right?

I do not count it as easy to make adjustments...
Forum: Yashica RF 10-16-2013
Replies: 7
Views: 1,016
Posted By mburns
You can check for long and short exposures in dim...

You can check for long and short exposures in dim and bright light. But I don't like the outlook.
Forum: FSU Former Soviet Union RF 10-12-2013
Replies: 60
Views: 82,190
Posted By mburns
Of course I can not disagree with that. There is...

Of course I can not disagree with that. There is a hesitation in the first curtain now. It's a FED 2D actually.
Forum: FSU Former Soviet Union RF 10-09-2013
Replies: 60
Views: 82,190
Posted By mburns
Purchased after a CLA in Ukraine, my FED 2L had...

Purchased after a CLA in Ukraine, my FED 2L had excessive tension on the curtains. Adjusting the tensions changed the sound of the camera. But there was a residual problem with hesitation in the...
Forum: FSU Former Soviet Union RF 09-23-2013
Replies: 87
Views: 16,881
Posted By mburns
My FED 2L with the "zebra" Industar 61 lens...

My FED 2L with the "zebra" Industar 61 lens becomes operational. I used Fujifilm 400 with processing and scanning at Meijer. The pictures show some sticking and acceleration of the shutter at the...
Forum: TLR Forum - Twin Lens Reflex 09-18-2013
Replies: 27
Views: 4,855
Posted By mburns
Mine arrived this month. I broke the shutter cock...

Mine arrived this month. I broke the shutter cock on the 80mm lens, which needed cleaning and lube. But I already have acquired 105mm and 180mm lenses. I have yet to put my roll of Ektar 100 film in...
Forum: Yashica RF 09-16-2013
Replies: 337
Views: 101,393
Posted By mburns
Pegaz, It looks great. I wonder if my old beater...

Pegaz,

It looks great. I wonder if my old beater of a GSN is coming out of retirement.
Forum: SLRs - the unRF 09-16-2013
Replies: 9
Views: 1,084
Posted By mburns
PF McFarland seems correct to me. The extended...

PF McFarland seems correct to me. The extended and locked down cable release interfered with the film advance and double exposure lock just as he described.
Forum: Film vs Digital 09-03-2013
Replies: 7
Views: 1,316
Posted By mburns
I would skip point and shoot digital cameras. I...

I would skip point and shoot digital cameras. I think you would be bothered by the blown highlights, aberration from the smaller and wider lens, and color noise in the shadows.

I would buy a used...
Forum: Optics Theory - 08-31-2013
Replies: 14
Views: 2,587
Posted By mburns
I think it is easy enough to see that this...

I think it is easy enough to see that this phenomenon is intrinsic to rangefinder design.
Forum: Optics Theory - 08-30-2013
Replies: 14
Views: 2,587
Posted By mburns
The corrections were actually easy to measure by...

The corrections were actually easy to measure by comparing marks on a tape measure to the readings from the distance scale on the camera. Except for the Yashica at 30ft, there was no difficulty in...
Forum: Optics Theory - 08-29-2013
Replies: 14
Views: 2,587
Posted By mburns
Make a correction table for your rangefinder.

This is advice that I read, but that I have not found here.

The rangefinder cameras available to me indeed do require this attention. They are all accurate at infinity and at 1.5m. But the...
Forum: 120 film RF Folders 08-21-2013
Replies: 36
Views: 11,017
Posted By mburns
OK. I was thinking that you would want to grind...

OK. I was thinking that you would want to grind down (and blacken) those areas so that only rollers touch the image area on the film. An extra advantage is that the vacuum seal of the bellows is...
Forum: 120 film RF Folders 08-19-2013
Replies: 36
Views: 11,017
Posted By mburns
Smoothness is not enough. It seems that the mere...

Smoothness is not enough. It seems that the mere texture that can be seen between your arrows is enough to gouge a film emulsion. If the rollers on your camera are within the area of the pressure...
Forum: SLRs - the unRF 08-02-2013
Replies: 202
Views: 38,567
Posted By mburns
http://plus.google.com/photos/10120945651747950945...

http://plus.google.com/photos/101209456517479509459/albums/5766047825798098097

This is by a Canon FT with a New FD 28mm f/2.8 lens and Fujifilm.
Forum: Yashica RF 07-23-2013
Replies: 3
Views: 1,540
Posted By mburns
Be sure to remove the lens cap when testing like...

Be sure to remove the lens cap when testing like this. And if the aperture is stopped down or the light is dim then it is normal for the shutter to remain open. Otherwise, just try exercising the...
Forum: FSU Former Soviet Union RF 07-20-2013
Replies: 13
Views: 2,132
Posted By mburns
A good adapter does not change the clearance to the film.

Fer Fdi,

An adapter to the M mount is not the same as an adapter to Contax. Neither should change the clearance from a lens to the film.
Forum: FSU Former Soviet Union RF 07-17-2013
Replies: 6
Views: 2,038
Posted By mburns
Just use the recovery method in the sticky thread.

Yes. Follow the method given above in the first sticky thread in this sub forum for recovery from the wrongful setting of a shutter speed. After all, there is nothing else to be done, other than the...
Forum: Yashica RF 07-04-2013
Replies: 845
Views: 210,221
Posted By mburns
17 million pixel scan from Ektar 100 in a Yashica Electro 35

https://plus.google.com/photos/101209456517479509459/albums/5796289133882688657/5796289136259266674?pid=5796289136259266674&oid=101209456517479509459...
Forum: Yashica RF 07-04-2013
Replies: 337
Views: 101,393
Posted By mburns
3jal, The extender lenses that you picture do...

3jal,

The extender lenses that you picture do work fine in my experience, but the distance translation tables are rubbish. For the tele extender, I reset the distance to .77 of the actual, and for...
Forum: Yashica RF 07-04-2013
Replies: 337
Views: 101,393
Posted By mburns
This Yashica requires attention to the rangefinder and viewframe.

https://plus.google.com/u/0/photos/101209456517479509459/albums/posts/5816368924285886722?pid=5816368924285886722&oid=101209456517479509459

https://plus.google.com/u/0/photos/101209456517479509459/al...
Forum: FSU Former Soviet Union RF 07-04-2013
Replies: 1,356
Views: 269,679
Posted By mburns
Cast aluminum cutey from Ukraine

This FED 2 has been serviced by Synoptics Camera. Probably, it will win out in the contest for film over my Yashica Electro 35 GSN (which needs attention to the viewfinder and...
Showing results 1 to 84 of 84

 


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