Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
Ohnar300mm F/5.6 Mirror	CANON FD+ CONTAX/YASHICA, KONICA AR, MINOLTA MD, MINOLTA SR, NIKON F, NIKON F DX, OLYMPUS OM, PENTAX K	Mirror	—	300mm	f/5.6	—