canon ef 100-400mm f4.5-5 .6 l is usm telephoto zoom lens for canon slr cameras
equipped with an image stabilizer the canon ef 100-400mm telephoto zoom lens makes it easy to capture the far-off action of fast-paced sports or zoom in for an intimate portrait with a blurred background . the lens offer such features as fluorite and super ud-glass elements that largely eliminate secondary spectrum a floating system that ensures high picture quality at all focal lengths two image stabilizer modes and compatibility with extenders 1.4 x ii and 2x ii . the lens carries a one-year warranty . focal length 100-400mm maximum aperture 1 4.5-5 .6 lens construction 17 elements in 14 groups diagonal angle of view 24 to 6 degrees focus adjustment rear focusing system with usm closest focusing distance 5.9 feet zoom system linear extension type filter size 77mm dimensions 3.6 inches in diameter 7.4 inches long weight 3.1 pounds