Amazing Summicron R 50 / 1:2 lens made by Leitz Canada in 1980. It is a first quality item, in very good condition and perfect working order. This lens has serial number 3013331 and bears an inscription that reads Leitz Canada, indicating that it was manufactured in the factory that the German company Leitz had in this country. This company was worldwide famous as the manufacturer of Leica cameras but they were also renowned for their lenses quality, a feature that the item we can see in these images can only corroborate. The Summicron R 50 lens started being produced in 1979 and is the evolution of the Summicron 50 in reflex version. The Summicron 50 is probably the most famous and successful lens made by Leica. The article that appears in these photographs is the third version of the model; it sets itself apart from previous models in the optical redesign that provides an improved performance of the lens wide open and of the sharpness. There is no optical difference between the second and third version of this lens, the latter one being compatible only with the R reflex cameras.There is a white inscription in the body of the lens that confirms this fact, Reading FOR LEICA R ONLY. This lens was manufactured in the Leitz Canada factory, founded in 1951 and closed in the 1980s. When this happened, the optic material and camera production moved back to Germany. Summicron lenses are famous for their great quality and magnificent performance, being highly appreciated by the best professionals in the field of photography.This Summicron R 50 lens is the perfect complement for a Leica R camera and also the best piece to complete a good collection of photographic material.