waynecrider
Subscriber
Does anyone know what non screw bodies can take M42 lenses thru adapters and have infinity focusing without the use of the incorporated lens. I know Pentax can, are there others?
Minolta.
Good morning, Tony;
It may be that any adapter to go from an M-42 lens to the Minolta SR mount will require some glass in the optical path to achieve focus at infinity. Both of the Minolta Adapters for the M-42/Contax/Pentax/UTM lenses and the Leica M-39 lenses are simple machined adapter rings without any glass, and specifically state in the instructions that they are for use in close-up work only, and will not achieve focus at infinity.
The lens registration distance for the Minolta Maxxum/Dynax AF lens mount and the later Sony DSLR AF lens mount is longer than the Minolta SR lens mount, so the same comments will apply there also.
There's a nice table here:
http://en.wikipedia.org/wiki/Lens_mount
The mount registers of Minolta SR/MC/MD and Minolta AF are both shorter than that for M42. I've used M42 lenses via adapter with infinity focus preserved on a Minolta AF-mount camera.
Are there any at all bodies that can meter without stopping down or is it pretty universal.
Are there any at all bodies that can meter without stopping down or is it pretty universal.
Good morning, Tony;
It may be that any adapter to go from an M-42 lens to the Minolta SR mount will require some glass in the optical path to achieve focus at infinity. Both of the Minolta Adapters for the M-42/Contax/Pentax/UTM lenses and the Leica M-39 lenses are simple machined adapter rings without any glass, and specifically state in the instructions that they are for use in close-up work only, and will not achieve focus at infinity.
I use this adapter with my Minolta X-700 and Pentax Takumar M42 lenses and attain infinity focus with them. No glass required.
. . .
There are a lot things I have not in my sig since it would make my sig longer than most of my posts!
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