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Zeiss Contax Forum for the classic Zeiss Contax I, II, III, IIa, IIIa , G series, and if you want to push it, the nice Contax point and shoots. Some spill over from the Kievs, the Soviet copy of the Contax II/III can also be expected. Plus the ONLY production camera ever made in classic Zeiss Contax Rangefinder mount WITH TTL metering ... the Voigtlander Bessa R2C.

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Old 01-02-2017   #81
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Quote:
Originally Posted by Mark C View Post
My 1934 lens is remarkable considering the age and lack of coating. After all, the design was optimized for contrast in the days before coating. It was quite a while before Leica caught up.

Dante, did you see my question a few posts up about the adjustment you mention?
Sorry. You basically back the rear group out a fraction of a turn until the zone of sharp focus moves backward to where you want it.

You do need to maintain tension on the system to keep the element square to the optical axis, which you can do with teflon tape on the threads (it can be challenging but works) or conceivably copper foil tape on the front or rear bearing surface of the group (which might be more easily repeatable). I heard from the guru on this that you can even use single strands of copper wire to create the spacer.

Needless to say, this is way easier with a digital body and a LensAlign target, since you can iterate, test, and iterate.

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Old 01-02-2017   #82
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Thanks. That is what I did, but only pulled the cell into place with some tape to hold position. If it ever shifts on me I may try the teflon tape idea.

I'm shooting film, but fine tuned it quickly after grossly overshooting the first try. I'm surprised how non-fussy it has been since.
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Old 01-06-2017   #83
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Originally Posted by chambrenoire View Post
Love the Sonnar 50/1.5! Mine is with native nickel LTM mount, from 1933. A real rarity according to Zeiss experts.
Here's a portrait I took with the Sony A7R + helicoid adapter to come way closer than the 1m limit of the lens.
Love this picture!
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Old 01-06-2017   #84
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Originally Posted by uhoh7 View Post

River Banks by unoh7, on Flickr


DSC03357-2 by unoh7, on Flickr


DSC03369 by unoh7, on Flickr


Hopeful Trio by unoh7, on Flickr
Reminds me of Minnesota in the summer, great shot.
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Old 01-12-2017   #85
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St. Cloud Minnesota Dunn Brothers Coffee. They Grind it in house.

Carl Zeiss Opton Sonnar 1.5 T. Contax mount. Purchased here recently from another member. Fuji X-E2.

Converted with Iridient X-Transformer, Processed with Lightroom. Click on each Image for Full Screen.













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Old 01-12-2017   #86
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Looking excellent lundrog!
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Old 01-12-2017   #87
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Looking excellent lundrog!
Thanks. Thanks for selling it to me
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Old 01-25-2017   #88
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Okay. Thanks for all of the data points on the previous three pages. I just picked up a near mint IIIA with the 50mm f1.5 Sonnar. Bluish coating so I'd guess that it's coated. The body, of course, has a dead shutter which means I'll sell it as is.
I am a fool for adapted lenses on the Fuji cameras. I'm seriously ready to order the $155 Amadeo adapter to mount this lens on the Fuji camera. I enjoy using the Russian copies of these Zeiss lenses and this one is so unbelievably clean and clear that I think I'll kick myself if I don't keep it. Any comments on the Zeiss/Fuji pairing?
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Old 01-25-2017   #89
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Originally Posted by rybolt View Post
Okay. Thanks for all of the data points on the previous three pages. I just picked up a near mint IIIA with the 50mm f1.5 Sonnar. Bluish coating so I'd guess that it's coated. The body, of course, has a dead shutter which means I'll sell it as is.
I am a fool for adapted lenses on the Fuji cameras. I'm seriously ready to order the $155 Amadeo adapter to mount this lens on the Fuji camera. I enjoy using the Russian copies of these Zeiss lenses and this one is so unbelievably clean and clear that I think I'll kick myself if I don't keep it. Any comments on the Zeiss/Fuji pairing?
Loving mine. Have the Amadeo adapter as well. Using mine with a X-E2.

Gallery.

http://photography.rogerlund.net/Gal...iss-Opton-Son/

A example wide open of my sales guy. Focused on his nose.

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Old 01-25-2017   #90
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Carl Zeiss Sonnar 50mm f/1.5 T (Oberkochen).
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Old 02-06-2017   #91
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Nikon S2, Zeiss Sonnar black/nickel 50mm f/1.5 uncoated, 400-2TMY.

Erik.







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Old 06-27-2017   #92
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i am looking for a contax sonnar 50 1.5 too, cannot decide to buy a pre-war one or later red T one. are they of much different rendering?
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Old 06-27-2017   #93
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Originally Posted by edwliang View Post
i am looking for a contax sonnar 50 1.5 too, cannot decide to buy a pre-war one or later red T one. are they of much different rendering?
Here is my gallery of my latter opton copy.

http://photography.rogerlund.net/Gal...on-Sonnar-15-T
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Old 06-27-2017   #94
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I've started using an uncoated one on a fuji xt1 via an Amedeo adapter.
The soft contrast is so beautiful for color images.

This one is a jpeg from the camera.
Creating a proper well tuned jpeg from RAW would really shine .....alas it's just a test image.

f1.5
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Old 06-27-2017   #95
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Originally Posted by edwliang View Post
i am looking for a contax sonnar 50 1.5 too, cannot decide to buy a pre-war one or later red T one. are they of much different rendering?
If you're using it on a pre-war Contax the Jena lenses will be period correct for your body. Vice-versa for the post-war models which came with Oberkochen made Sonnars (can't recall if Jena put out any 50mm lenses after the war, someone will know).

I have a 1936 collapsible f/2 that came with my 1936 II and it is in quite good condition. I'm astounded at how sharp it is. But it has less contrast than my coated post war Carl Zeiss labelled 50mm f/1.5. This seems, from what I have seen so far, to be of more significance when shooting colour film than black and white. I would expect the uncoated Jena f/1.5 to be similar but have not personally used one. I have shot some film with a pre-war Jena, but it was actually a coated example (and was very similar, but slightly cooler, than the Oberkochen version on Provia 100F in back to back comparisons, I thought).

I do not think you would be disappointed with the performance of any of the Contax Sonnars providing whichever one you procure is in good condition. But you'll usually get more contrast from the coated examples than an uncoated one so for colour perhaps it depends on whether you're seeking more modern looking results or a more classic rendition? Of course, film type will be a factor, no matter which sort of lens you acquire.
Cheers,
Brett
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Old 06-27-2017   #96
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Originally Posted by lundrog View Post
Here is my gallery of my latter opton copy.

http://photography.rogerlund.net/Gal...on-Sonnar-15-T
thanks a lot.
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Old 06-27-2017   #97
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Originally Posted by f16sunshine View Post
I've started using an uncoated one on a fuji xt1 via an Amedeo adapter.
The soft contrast is so beautiful for color images.

This one is a jpeg from the camera.
Creating a proper well tuned jpeg from RAW would really shine .....alas it's just a test image.

f1.5
very sharp wide open, very nice photo.
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Old 06-27-2017   #98
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Originally Posted by Sarcophilus Harrisii View Post
If you're using it on a pre-war Contax the Jena lenses will be period correct for your body. Vice-versa for the post-war models which came with Oberkochen made Sonnars (can't recall if Jena put out any 50mm lenses after the war, someone will know).

I have a 1936 collapsible f/2 that came with my 1936 II and it is in quite good condition. I'm astounded at how sharp it is. But it has less contrast than my coated post war Carl Zeiss labelled 50mm f/1.5. This seems, from what I have seen so far, to be of more significance when shooting colour film than black and white. I would expect the uncoated Jena f/1.5 to be similar but have not personally used one. I have shot some film with a pre-war Jena, but it was actually a coated example (and was very similar, but slightly cooler, than the Oberkochen version on Provia 100F in back to back comparisons, I thought).

I do not think you would be disappointed with the performance of any of the Contax Sonnars providing whichever one you procure is in good condition. But you'll usually get more contrast from the coated examples than an uncoated one so for colour perhaps it depends on whether you're seeking more modern looking results or a more classic rendition? Of course, film type will be a factor, no matter which sort of lens you acquire.
Cheers,
Brett
thanks a lot for your information.
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Old 06-28-2017   #99
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Originally Posted by Sarcophilus Harrisii View Post
(can't recall if Jena put out any 50mm lenses after the war, someone will know)
Yes they did. They released about 600 items of the Carl Zeiss Jena Sonnar 5cm f/1.5 T in aluminum or chrome plated brass barrels (or a mix of the two materials) and a tad more of CZJ Sonnar 5cm f/2 T in aluminum or brass barrels too. Those postwar Jena Sonnars are recognizable thanks to a specific lettering shape on their namerings and a very short black nose. They also use red copper for their internal barrels parts. They are absolutely excellent lenses. The aluminum made 5cm f/2 T is extremely light. Their aperture blades had a matte textured dark grey surface instead of the blueished steel used later on the Oberkochen lenses. The aluminum barrels made lenses have a quite thicker bayonet locking tab when compared with the chrome plated brass barrels made lenses.

They were made to be mounted on the so-called "Jena" Contax II bodies made in Saalfeld in 1946-1947 as well on the very first Kievs. But they are easy to find as a kit with the earliest Contax IIa cameras. When the first Contax IIa were released in 1949-1951 the Oberkochen plant wasn't running yet so the Stuttgart made cameras were sold with those Jena made Sonnars T for some time.
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Old 06-28-2017   #100
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Yes they did. They released about 600 items of the Carl Zeiss Jena Sonnar 5cm f/1.5 T in aluminum or chrome plated brass barrels (or a mix of the two materials) and a tad more of CZJ Sonnar 5cm f/2 T in aluminum or brass barrels too. Those postwar Jena Sonnars are recognizable thanks to a specific lettering shape on their namerings and a very short black nose. They also use red copper for their internal barrels parts. They are absolutely excellent lenses. The aluminum made 5cm f/2 T is extremely light. Their aperture blades had a matte textured dark grey surface instead of the blueished steel used later on the Oberkochen lenses. The aluminum barrels made lenses have a quite thicker bayonet locking tab when compared with the chrome plated brass barrels made lenses.

They were made to be mounted on the so-called "Jena" Contax II bodies made in Saalfeld in 1946-1947 as well on the very first Kievs. But they are easy to find as a kit with the earliest Contax IIa cameras. When the first Contax IIa were released in 1949-1951 the Oberkochen plant wasn't running yet so the Stuttgart made cameras were sold with those Jena made Sonnars T for some time.
Thanks for that information Nikolas, much appreciated, I'll try to remember it now for future reference!
Cheers,
Brett
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Old 08-11-2017   #101
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Old 08-11-2017   #102
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I have several 5cm 1.5 Zeiss lenses that Brian S converted to ltm, in addition to Zeiss 5cm/2 ltm that at some time was converted by someone into ltm via an Elmar barrel. These lenses do beautifully with Fuji Reala print film, and also with digital Leica (M8 and M9 for me). One of my favorite 5cm lenses was made in 1938. It is uncoated and it looks very clean.
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Old 08-13-2017   #103
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Hello,
Anyone use filter on CZ Jena Sonnar 50/1.5 and could recommend the appropriate ones?
Mine is LTM version, in my case, use of filters cause vignetting.
Thank you.
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Old 09-16-2017   #104
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Hello,
Anyone use filter on CZ Jena Sonnar 50/1.5 and could recommend the appropriate ones?
Mine is LTM version, in my case, use of filters cause vignetting.
Thank you.
Hmm. not sure. my Zeiss Ikon Stuttgart 40.5mm works fine on it. It is on the thin side.
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Old 09-16-2017   #105
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Old 11-14-2017   #106
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When Goering was appointed Air Marshall he also came in control of Germanys Optical Industry. He promtly orderd Zeiss to prowide Optical Benches for the other Optical Industry. He also orderd Zeiss to make there Lenses with LTM.
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Old 11-14-2017   #107
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Carl Zeiss Opton Sonnar 1.5 T 50mm. SOOC. Fuji X-E2.




Picture of darkkavenger
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Old 07-01-2018   #108
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Need some Sonnar help. I recently picked up a Nikon S2, and I have a few 50mm Sonnars. I know that the Sonnars have some focus-shift up close, and I know that the Nikon has a slightly different focus rate than the Contax.

What I don't know is the net focus change, if any, of the Nikon/Sonnar combination when used at about 6-8 feet while wide open. Any suggestions before I mis-focus an entire roll? Will this setup tend to front focus or back focus?
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Old 07-01-2018   #109
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Originally Posted by Larry H-L View Post
Need some Sonnar help. I recently picked up a Nikon S2, and I have a few 50mm Sonnars. I know that the Sonnars have some focus-shift up close, and I know that the Nikon has a slightly different focus rate than the Contax.

What I don't know is the net focus change, if any, of the Nikon/Sonnar combination when used at about 6-8 feet while wide open. Any suggestions before I mis-focus an entire roll? Will this setup tend to front focus or back focus?
You very well could be out of luck with that combination.
I experimented with the reverse combo just to see.

I tried the 5cm Nikkor f1.4 on my Kiev 4a at full bore and close distance focus and no cigar, at f4 and smaller apertures it was fairly in focus but any thing else for close up and low light it was a no go.

I remember reading a while back that our lens hacking expert Brian Sweeney had to shim the lens mount on his Nikon RF camera to use the fast Zeiss Sonnar, as it will back focus if no adjustment is made. He also used the Helios 103 lens on his un-shimmed Nikon RF camera just by turning out the back lens element section on the Helios 103. just by half a turn out.

But having said all that , I would suggest if you can, to run a test roll of film with your set-up, all at various aperture openings and focus distance, as your mileage may vary as they say.
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