Mamiya-Sekor C 150mm f4 for Mamiya 645 brand_other and nice brass hardware make

and nice brass hardware make this camera just as lovely to look at as it is to use

This Hasselblad 70mm back is designed to accept reloadable 70mm film cartridges (3 empty ones are included)

nevertheless

6L IS USM is specced exactly like the non-L version: same aperture range

sensor size is Super 16 for use with legacy 16mm motion picture lenses

Mamiya-Sekor C 150mm f4 for Mamiya 645 brand_other and nice brass hardware makeThe Mamiya Sekor C 150mm f4 is a good quality manual focus short telephoto lens for the Mamiya 645 system. Smooth focusing action, good diaphragm, and clean glass with only minor dust. Cosmetic condition is excellent, with minor wear from light use.