The Leica Russar 20 mm f/5.6 lens is designed for Leica and other M39 screw-mount cameras, including some vintage Minolta cameras. A screw-mount adapter allows you to use the Leica Russar lens with other Leica cameras, including the Leica M. While not essential, a 20 mm Leica viewfinder may make it easier to use and focus this Leica camera lens. This Russian-made lens is a high-quality choice for screw-mount cameras. With deeply recessed glass, there is no need for a lens hood with this Leica camera lens. The Leica Russar 20 mm f/5.6 lens has a close focus of as little as 18 inches. A deep screw-mount lens cap was originally included with the Leica Russar lens. With the 20 mm lens, a vintage film camera produces stunning wide-angle photography for landscapes or cityscapes. Expand the options of any screw-mount traditional film camera using the Leica Russar 20 mm f/5.6 lens.