Nikon PB-6 format_4x5 This Mamiya-Sekor 55mm f4

This Mamiya-Sekor 55mm f4

with minor internal dust

Black paint is in excellent condition

but here you go: this is a Panasonic Lumix G X Vario PZ 45-175mm f4-5

Nikon PB-6 format_4x5 This Mamiya-Sekor 55mm f4The Nikon PB 6 is a sturdy late model bellows that features autodiaphragm capability (with the AR 7 double release, not included) and a built in stage focusing system. Accepts any Nikon F mount lens; 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). In near new condition.