- 100mm macro USM lens with f/2.8 maximum aperture for Canon SLR cameras
- Secondary diaphragm blocks stray light at f/2.8 for increased contrast
- Ultra-sonic monitor provides outstanding autofocusing speed at all distances
- 3-group floating system for exceptional close-up performance; full-time manual focus
- Measures 3.1 inches in diameter and 4.7 inches long; weighs 21.1 ounces; 1-year warranty
Saturday, 17 December 2011
Canon EF 100mm f/2.8 Macro USM Lens for Canon SLR Cameras
Canon EF 100mm f/2.8 Macro USM Lens. Canon EF 100mm f/2.8 Macro USM Lens Autofocus lens for macro photography up to life-size (1x) magnification. Inner focusing affords a long working distance of 5.9in. (149mm) at 1x. A 3-group floating system results in excellent delineation at all focusing distances. Ring USM for silent and high-speed AF and full-time manual focusing also provided. Features: Entirely new optically with a three-group floating system for exceptional close-up performance The first lens in its class to feature inner focusing. The lens length never changes even at life size A secondary diaphragm blocks stray light at f/2.8 increasing contrast when shooting wide-open Ultrasonic motor provides outstanding AF speed at all focusing distances Wide manual focusing ring with smooth action and full-time manual focus even in AF mode Dimensions: 4.7"L x 3.1"W x 3.1"H
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