Nikon PB-6 Filter Type_UV 8 AIS Fisheye-Nikkor is probably

8 AIS Fisheye-Nikkor is probably the lens you picture when someone mentions a fisheye

5m of film in a normal tank

5 APO-Componon HM is a high-quality apochromatic lens for enlargers and bellows use

according to the on-rail scales

with minor cosmetic wear and approximately 19k actuations

Nikon PB-6 Filter Type_UV 8 AIS Fisheye-Nikkor is probablyThe Nikon PB 6 is a sturdy late model bellows that features autodiaphragm capability (with a compatible 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 excellent condition.