Mamiya RB67 Professional SD with K/L 90mm f3.5 lens mount_Olympus Pen It's a Nikon F accessory

It's a Nikon F accessory shoe

4 USM lens is a classic 50mm f1

Canon PLC-52 drop-in circular polarizer for most Canon L-series telephoto lenses with IS function (check your lens instruction manual for compatibility

with minor cosmetic wear from normal use and handling

Mamiya RB67 Professional SD with K/L 90mm f3.5 lens mount_Olympus Pen It's a Nikon F accessoryThe Mamiya RB67 Pro SD is the last revision of the venerable RB67 series, with support for 6x8 backs and later L and K L lenses. The shutter system is still entirely mechanical there's no place to put a battery even if you wanted to. The included Mamiya K L 90mm f3. 5 L lens is in excellent condition, with minor internal dust, and features a manually adjustable floating element system for optimum performance at any focal distance. The camera and lens