Canon EF 100mm 2.8 Macro USM

EF 100mm f/2.8 Macro USM - 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, and full-time manual focus even in AF mode.