Pentax 67 reverse adapter (67mm)  type_Bags and Cases These fit over the narrow

These fit over the narrow control knobs on early model Calypso and Nikonos lenses for a larger gripping surface

and both 10" and 18" rails

Shoots 6x6cm images on 120 rollfilm

and also comes with a nifty Nippon Kogaku body cap

you can not use this lens directly on a camera: it is designed for bellows use only

Pentax 67 reverse adapter (67mm) &nbsptype_Bags and Cases These fit over the narrowThe Pentax 67 Reverse Adapter allows lenses wth a 67mm front filter thread to be mounted in reverse on a Pentax 6x7 camera. Can be used directly on the camera, or on bellows and adjustable helicoid extension tubes (not included.) In excellent condition, with minor cosmetic wear.