Nikon PB-5 with PS-5 brand_Pentacon and any other application which

and any other application which requires the utmost focus precision

Holds up to 6kg

and smooth controls

you could fit a 4x5 in there

no effect on function

Nikon PB-5 with PS-5 brand_Pentacon and any other application whichThe Nikon PB 5 is a well made macro bellows with a rigid two rail design. 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 excellent condition overall, except for an ID number inscribed into the top on the rear standard, which was the style