Focal Length & Maximum Aperture - 70-200mm 1 - 2.8 Lens Construction - 18 elements in 15 groups Closest Focusing Distance - 1.5m / 4.9 ft. Zoom System - Rotating Type Filter Size - 77mm This Canon 70-200mm f/2.8L EF Telephoto Zoom Lens USM is one of the finest telephoto zoom lenses in the EF line, comparable in optic quality to a single focal length lens. It has four UD-glass elements to correct chromatic aberrations. Its constant f/2.8 maximum aperture and superb image quality make it one of the most popular professional SLR lenses in the world. Where image quality and detail matter most and you prefer using a rotating zoom, this lens offers outstanding value. Maximum Diameter x Length, Weight - 3.3 x 7.6, 2.9 lbs. / 84.6mm x 193.6mm, 1310g Compatible with Extender EF 1.4x II and 2x II.
