Autofocus lens for macro photography up to life-size (1×) magnification. Inner focusing affords a long working distance of 5.9 in. (149mm) at 1×. 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.
Specifications
Focal Length & Maximum Aperture: 100mm; 1:2.8
Lens Construction: 12 elements in 8 groups
Diagonal Angle of View: 24°
Focus Adjustment: Inner focusing system with USM
Closest Focusing Distance: 0.31m / 1 ft. (film plane to subject)
Filter Size: 58mm
Max. Diameter × Length: 3.1 × 4.7 in / 79 × 119mm
Weight: 21.1 oz / 600g
We only sell brand new USA retail Canon EF 100mm f/2.8 Macro USM Macro Lenses. This Canon EF lens comes complete with a 1 Year USA Limited Warranty.
Can be shipped to APO/FPO 
