Pentax MF-1
From Camerapedia.org
The Pentax MF-1 is a scientific camera made by Pentax and based on the body of the Pentax ME.
It has a special finder with a round image field. The image is aerial, there is no ground glass. It has a spot meter, the manual speed is 1/4 instead of 1/100, and it has FP and X sync.
(This info is based on a post by Gene Poon in the PentaxUsers Yahoo Group.)
Categories: Scientific cameras | K mount | Japanese 35mm SLR | Pentax | P | M
