- 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
EF 100mm f/2.8 Macro USM
Compatible with Canon digital and autofocus film SLR cameras
Effective focal length: 100mm with 35mm film or full-frame digital cameras, 160mm with APS-C sensor cameras
Ideal for closeup and portrait photographs
USM (ultra sonic motor) for fast, silent focusing
Auto focus system allows full-time manual focus override with lens still in AF mode
Internal focusing system maintains constant lens length
Working distance: 5-7/8″ from front of lens to subject at life-size (1:1) magnification
Minimum focus distance: 12″ (from film or sensor plane to subject)
Minimum aperture: f32
Lens construction: 12 elements in 8 groups
Diaphragm blades: 8
Attachment/filter size: 58mm
Front and rear
slr lens
