Asahi Super-Multi-Coated Takumar 200mm f4 lens mount_Bronica RF645 they called this thing a

they called this thing a MQUOO- but it's a safe bet that this was intended to allow their cameras to be used by folks who'd been injured in the war

as do most Sony DSLR cameras and some earlier mirrorless models

This is a rotating 8-pointed star special effects filter

light corrosion on the lens controls

which will require an adapter (not included)

Asahi Super-Multi-Coated Takumar 200mm f4 lens mount_Bronica RF645 they called this thing aThis Asahi Super Multi Coated Takumar 200mm f4 is a sharp telephoto lens for M42 thread mount. In excellent condition, with only very minor cosmetic wear. Light internal dust, smooth focusing, good diaphragm. Includes hood.