This used Canon 100mm Lens is in very good condition. Supplied with both lens caps. If you have any questions, please visit our Glasgow location or call them on 0141 353 0875 This is an autofocus lens for macro photography up to life-size (1x) magnification. Inner focusing affords a long working distance of 5.9" (149mm) at 1x. A 3-group floating system results in excellent delineation at all focusing distances. Ring USM for silent & high-speed AF, & full-time manual focusing also provided. The optional Tripod Mount Ring (B) B (with adapter) enables the lens to be rotated for vertical or horizontal framing. Entirely new optically, with a three-group floating system for exceptional close-up performance The first lens in its class to feature innner 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, & full-time manual focus even in AF mode