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.
focal length & maximum aperture - 70-200mm 1:2.8
lens construction - 18 elements in 15 groups
diagonal angle of view - 34° - 12°
focus adjustment -inner focusing system with usm
closest focusing distance - 1.5m / 4.9 ft.
zoom system - rotating type
filter size- 77mm
max. diameter x length, weight 3.3" x 7.6", 2.9 lbs. / 84.6mm x 193.6mm, 1310g
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