One of the reasons to buy a G1 was to have fun with my ex-USSR lenses . I have no less than 6 faux Leicas based upon Zorki 1 and Zorki S , all of which are smooth and georgeous with a fantastic finish . I adapted one of the 50mm Elmar pretenders with a leather collar to prevent collapse . It's not just a poor recobstituted lens as you may expect , but I love the images from it ! Mostly it just looks so neat - and weighs nothing !