Classic telephoto zoom focal length; Approximately 75 - 300 mm (in KB); Optimal for nature and sports photography; Weatherproof through seals; In addition to the standard DA series zoom lenses, the smc PENTAX-DA 50-200mm F4-5.6 ED WR telephoto zoom lens will significantly expand the shooting range. Converted to KB format results in a focal length of 76.5 - 307 mm. With this range it is predestined for sports photography, animal photography and everything that can be brought up from a distance. In addition to the smc PENTAX-DA 18-55 mm F3.5-5.6 AL WR, this telephoto zoom should not be missing in any bag of ambitious photographers. In addition to the camera body, WR-type lenses are protected with 6 seals against water, dust, sand and dirt, and thus wherever other cameras are packed. Technical quality and construction also meet high standards. Not least the metal bayonet is a good indicator of this.