nzeeman
Well-known
have anyone tried that? i bought it yesterday and i cant wait to try.
Can i use jupiter11 m39 for slr camera on my zorki4?
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Sonnar Brian
Established
No, the back-focus will be way off. On top of that, if you found the correct extension tube, scale-focus on a 135 is fairly difficult. RF coupled 135's are not expensive, you ought to go for one.
pvdhaar
Peter
Here's a guy that tried a couple of combinations of cameras and lenses in 39mm mount, esp. SLR and RF mounts mixed: http://cameras.alfredklomp.com/combos/index.htm It shows a combo of a Zorki-4 with Helios 44-2 near the bottom of the page.
Like Brian already pointed out, the lens will focus past infinity.
Like Brian already pointed out, the lens will focus past infinity.
brians
Film Enthusiast
I'm sorry if this has already been addressed, but say you had a similar 50mm lens. Could you possibly scale focus with it if you mounted it on a LTM camera?
Sonnar Brian
Established
Brian,
If I have this right, you have the 50mm lens made fopr the Zenit SLR. You want to use it on a 39mm RF camera.
The back focus will still be off. You could find an extension tube to use the 50mm lens on the RF, the extension needs to take place of the difference in film-to-flamge distance between the RF camera and SLR. That is how a Nikon N->F tube works. It allows lenses made for the Nikon reflex housing to be used on a Nikon SLR. You want to do something similar, use an SLR lens on a camera with a shorter film-to-flange distance.
If I have this right, you have the 50mm lens made fopr the Zenit SLR. You want to use it on a 39mm RF camera.
The back focus will still be off. You could find an extension tube to use the 50mm lens on the RF, the extension needs to take place of the difference in film-to-flamge distance between the RF camera and SLR. That is how a Nikon N->F tube works. It allows lenses made for the Nikon reflex housing to be used on a Nikon SLR. You want to do something similar, use an SLR lens on a camera with a shorter film-to-flange distance.
Jon Goodman
Well-known
Brian has it right. Another thing to keep in mind (not that it has a huge effect to this crowd, but I think it is still is worth knowing): The Zenit M39 SLR thread mount (example: the 1958 Brussels lens) and the M42 SLR mount had different flange to film measurements, so a 39mm lens will have limitations if used with a thread converter on an M42 SLR. If you just use a thread converter, the M39 mount lens won't ever focus to infinity, and the distance scale will always be off by a notable margin. But macro work will be just fine for you.
Jon
Jon
brians
Film Enthusiast
I see, thank you very much, Jon and Brian. This has been most helpful.
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