Mamiya RB67 Professional S with Mamiya-Sekor C 90mm f3.8 lens extension tube good press-style Copal 1 shutter

good press-style Copal 1 shutter with speeds from 1s to 1/125s plus B and T

This is a fairly light-duty promotional item

minor oil on diaphragm blades

So keep it folded down

Mamiya RB67 Professional S with Mamiya-Sekor C 90mm f3.8 lens extension tube good press-style Copal 1 shutterThe Mamiya RB67 is a big, heavy camera no way around that. But it has a number of unique capabilities that make it worth hauling around: it shoots in the convenient 6x7 image format, which is the correct proportion to print a traditional 8x10 image without cropping; it has a tremendous built in extension, for near macro shots with nearly any lens; the rotating back lets you shoot vertical or horizontal without rotating the whole camera; and it's fully