a very beautiful and rare 35mm summaron 2.8 in LTM mount, you dont see to many of these and if you do not in A+ condition like this one is. comes with front and rear caps. It can be used on your Barnak cameras or on your M bodies with an adaptor. the summaron renders like no other, for a 60 year old lens it holds its grounds with any modern lens. killer lens! and in collectors condition.