Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
UndergroundMC 28-80mm F/3.5-4.8	CANON FD+ CONTAX/YASHICA, KONICA AR, M42, MINOLTA SR, NIKON F, NIKON F DX, OLYMPUS OM, PENTAX K	Zoom	—	28-80mm	f/3.5	—
UndergroundMC 28-80mm F/3.5-4.8	MINOLTA MD	Zoom	—	28-80mm	f/3.5	—