The Canon Serenar 35mm f/3.2 is a small-sized wide-angle prime lens for rangefinder cameras with the M39 Leica screw mount.
All-metal body. Chrome finish. The aperture ring has no intermediary stop markings. The focus ring has an infinity lock. The lens comes complete with a leather case and a 35 mm viewfinder . The front element has a screw-on 24 mm protective filter. With a front diameter of 36 mm, the lens can accept Industar-10, 22, 50 spring-loaded filters.