The Leica Telyt is a screw-mounted camera lens with a 400 mm focal length and a f/5 aperture. This Leica camera lens comes with a built-in lens hood to reduce flaring. A convenient front lens cap attaches quickly by twisting the cap onto the lens. The lens cap of the Leica Telyt handily offers protection from environmental factors such as dust and dirt, ultimately prolonging the life of this screw-mounted camera lens. Additionally, the 400 mm f/5.0 lens has a coating to promote excellent light transmission. It weighs 5.07 lbs and has a minimum focusing distance of 26.24 ft. Through the use of manual focus, this Leica camera lens brings impressive high-resolution results, particularly during outdoor shooting. The primarily glass build of the Leica Telyt makes it a good choice for use with a tripod, particularly when shooting landscapes or other non-moving subjects. Users trust this sturdy 400 mm f/5.0 lens for crisp outcomes that make photographic efforts very rewarding.