Price reduced from 39,800 yen. Released in 1955 as the standard lens for the Leotax F or T. Topcon lenses were made by Tokyo Kogaku, which manufactured optical equipment for the pre-war Japanese army. This is the late-model collapsible, pre-set aperture 50mm f/3.5. The lens is a Tessar type and the mount is Leica L mount. The build quality is excellent, and the late model especially produces wonderful images. The exterior shows some scratches on the lens barrel, but is otherwise in good condition. Operation is good in all aspects. Optically, the lens is clear and sharp. There is no oil on the aperture blades. Includes filter, hood, and rear cap.