RAFCamera M65x1F-Pentax 645 adapter brand_Minolta 5 lens is an unusual

5 lens is an unusual "transitional" Elmar lens with a serial number that theoretically falls in to the Hektor range

The very large camera mounting platform (about 10x17cm) makes this head well suited to use with large format cameras that need a bit of extra base support

A fun novelty

with some cosmetic wear which does not affect function

with minor wear on the rear padding

RAFCamera M65x1F-Pentax 645 adapter brand_Minolta 5 lens is an unusualAccording to RAFCamera, the M65x1F Pentax 645 adapter ring is designed to mount "Chinese focusing helicoids" on a Pentax 645, useful for attaching projector lenses. RAFcamera's listing with more information is here. Please note that helicoids are sold separately.