High-definition 500mm preset telephoto lens featuring computer optical design and advanced multi-coating techniques for virtually flare-free, high-contrast images. Preset lenses retain full exposure, automation, and metering capabilities of compatible cameras. Ideal for nature and sports photography, this lens provides the equivalent view of 10x binoculars, with a manual preset diaphragm, rotating tripod collar, and soft lens pouch. Made with high-index/low-dispersion optical glass, precision diamond-cut and polished elements, exotic anti-reflection coatings, and advanced materials for exceptional image quality. Specifications: Filter Size 67mm, f/Stop Range f/8.0 fixed, Minimum Focus Distance 33.0' (10.0 m), Angle of View 4.1° x 2.7° (WxH), Groups/Elements 4/4, Length 11.7" (297mm), Maximum Diameter 2.8" (71mm), Weight 1.41 lbs (640g).