Pentax Camera Adapter (K-Mount) for PF-80ED 80mm ED Spotting Scope (Demo, without original box)

Adapter that allows PENTAX 65mm, 80mm, and 100mm Spotting Scopes to be mounted on K-mount or newer camera bodies. For conversion into high-quality super-telephoto lenses with a focal length of 780mm and a fixed aperture of F12 in combination with a PENTAX 35mm-K-Mount format SLR camera.