Mamiya-Sekor C 35mm f3.5 for Mamiya 645 strobe the camera end is a

the camera end is a standard F mount but practical compatibility will depend on the shape of your camera (some bulkier AF and digital cameras will require an additional extension tube- not included- to clear the back of the rail)

This is a beautiful Rolleicord Vb with a very clean Schneider-Kreuznach 75mm f3

this is a pretty nice one

5 Heliar lens is clean

3/8" fitting at the base for mounting to a support

Mamiya-Sekor C 35mm f3.5 for Mamiya 645 strobe the camera end is aThe Mamiya Sekor C 35mm f3. 5 is a wide angle lens for Mamiya 645 medium format cameras. Relatively compact, this lens provides the same field of view as a 21mm lens on a full frame or 35mm camera which is very wide! In excellent condition, with clean glass and good function. Includes front and rear caps and carrying case.