kiev lens mount on Nikon RF?

fidget

fidget

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Will Kiev/contax Rf lenses mount on a Nikon RF body? (I'm thinking of the Voigtlander R2S body).

Dave..
 
Yes they will, but only the J12 35mm lens will focus acceptably. Its generous wide angle DOF will absorb the focusing error between the 2 systems.
 
Hmm, guess that my J8, Helios 103 etc will not be at their best on this system then. Thanks Frank.
 
you could test them to see how significant the focus error is. Perhaps at farther distances with smaller apertures, it would be okay.
 
You probably want to be very careful putting a FSU wide-angle on any bessa. The J-12 and Orion won't fit on the bessa-r, and I doubt that the r2c or r2s are designed to accomodate those large rear elements. You could check cameraquest.com -- if anybody has the definitive answer it's them.
 
The focussing issue is even less of a problem with the 28/6 Orion as the Kiev version isn't rangefinder coupled. (The problem with this lens is finding one at a sensible price!)
 
The J-8's close focus (wide open) is marginal on the Nikons, but otherwise, from six feet out or so, all errors are within the DoF of the lens. The J-9 is not worth trying except at distances over a hundred feet, as I recall.

There's a chart buried on Cosina's site that describes the difference in terms of lens/distance/f-stop. Anything shorter than 35mm is fine at all apertures. Anything longer, not-so-much.

That being said- the J-12 will mount in Nikon bodies (works fine on my SP), but with very rare exception, NOT on the Cosina bodies (and that last bit is rumor- someone reported, here, I believe, that they got one of their J-12's to mount without the aft lens hittin' the shutter- I'd not risk it)
 
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What Bill said about the J12. Rear element would hit the shutter.
Edit: As per Cameraquest: 35/2.8 Pre-War Biogon (and the Russian 35/2.8) will NOT mount at all, due to the large rear element. The post war West German 35/2.8 Biogon will work fine.
 
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brachal said:
You probably want to be very careful putting a FSU wide-angle on any bessa. The J-12 and Orion won't fit on the bessa-r, and I doubt that the r2c or r2s are designed to accomodate those large rear elements.
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The two lenses look quite different. The Jupiter-12 is the big culprit with regards to mounting it on the Bessa, even though it does work for some people as long as you don't focus to infinity. The Orion doesn't have a large rear element at all and should fit Bessas without problems; however, as someone else pointed out already, there appears to be no rangefinder-coupled Kiev version. (Gotta buy that Biogon 21/4.5 instead :angel:)

Philipp
 
The question was about mounting on a Nikon RF. The J12 will mount on a Nikon RF. It won't on the current Bessa's. (in LTM and with adaptor as needed, of course)
 
rxmd said:
The two lenses look quite different. The Jupiter-12 is the big culprit with regards to mounting it on the Bessa, even though it does work for some people as long as you don't focus to infinity. The Orion doesn't have a large rear element at all and should fit Bessas without problems; however, as someone else pointed out already, there appears to be no rangefinder-coupled Kiev version. (Gotta buy that Biogon 21/4.5 instead :angel:)

Philipp
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Thanks for the clarification. I must admit that I'm not first-hand familiar with the Orion 28. The few I've seen advertised are so expensive ... I love FSU glass, but I'd probably just get a CV 28 once the price get's up to where the Orion's live.

I have to confess that I've been coveting a R2C to use with my Kiev lenses for a while now. I do wish the rangefinder was a little bit wider, though.
 
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