Nikon PB-4 with PS-4 lens mount_Rollei QBM/SL there are a few survivors:

there are a few survivors: this camera is one of them

This is an early model

front and rear caps

The Yashica ML Zoom 42-75mm f3

Nikon PB-4 with PS-4 lens mount_Rollei QBM/SL there are a few survivors:The Nikon PB 4 is Nikon's most unique and versatile bellows, with front standard left right tilt and shift capabilities that are indispensable for making use of the limited depth of field in macrophotography. 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