Honeywell Pentax Auto Bellows close-up Originally designed for the Cosina/Vivitar

Originally designed for the Cosina/Vivitar 100mm f3

The Minolta 4x ND rear mirror filter is for the Minolta Rokkor 250mm RF type lenses

you can still buy 127 rollfilm

so it can be used on most modern Nikon F mount cameras

Since the teleconverter extends into the back of the lens

Honeywell Pentax Auto Bellows close-up Originally designed for the Cosina/VivitarFirst things first: this is called a Honeywell Pentax bellows because Honeywell was distributing Asahi product in North America at the time, but it is a genuine Asahi product, not some weird knockoff. Anyway, this is a high quality macro bellows system for M42 thread mount cameras and lenses. Use it for macro work, or use the included slide copier to digitize your slides and negatives (with a compatible digital camera, adapter, and lens, which I feel