One of the finest telephoto zoom lenses in the EF line, comparable 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. Compatible with Extender EF 1.4x II and 2x II.
|Focus Adjustment||Auto Focus (AF) Inner focusing system with USM|
|Closest Focusing Distance||1.5m / 4.9 ft.|
|Angle of View||34° - 12°|
|Lens Groups / Elements||18 elements in 15 groups|
|Lens Grade||L (luxury)|