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This autofocus lens for macro shotsup to life-size (1x) magnification. Inner focusing allows a long working distance of 5.9in. (149mm) at 1x. A 3-group floating system gives excellent delineation at all focusing lengths. Ring USM for silent and high-speed AF, and full-time manual focusing also available. Features | • | Entirely new optically, with a three-group floating system for fantastic close-up situations. | | • | The 1st lens in its class to offer innner focusing. The lens length never alters, even at life size! | | • | A 2ndary diaphragm blocks stray light at f/2.8, increasing contrast when shooting wide-open. | | • | Ultrasonic Motor gives outstanding AF speed at all focusing lengths. | | • | Wide manual focusing ring with smooth movement, and full-time manual focus even in AF mode. |
Contents in original box | • | 1 EF 100mm f/2.8 Macro USM Lens | | • | 1 front Cap | | • | 1 rear cap | | • | 1 User manual |
Specification | Focal Length & Maximum Aperture | 100mm 1:2.8 | | Lens Construction | 12 elements in 8 groups | | Diagonal Angle of View | 24° | | Focus Adjustment | Inner focusing system with USM | | Closest Focusing Distance | 0.31m / 1 ft. (film plane to subject) | | Filter Size | 58mm | | Maximum. Diameter x Length | 79.0 x 119.0mm | | Weight | 600g |
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