- 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
The EF 100mm f/2.8 Macro USM Lens from Canon will focus over the full range from infinity to true life size (1:1 reproduction ratio) macro. Ideal for photographing details and small subject material, it also serves as a very sharp prime telephoto lens for portraiture and other applications. It provides a combination of versatility, image quality and superb handling.