Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
Avenon28mm F/3.5 [MC] LSM	M39	Wide	1981	28mm	f/3.5	100g
Avenon28mm F/3.5 LSM	M39	Wide	1981	28mm	f/3.5	100g
AvenonSuper Wide 21mm F/2.8 LSM	M39	Wide	1994	21mm	f/2.8	225g