Autofocus lens for macro photography up to life-size (1x) magnification. Inner focusing affords a long working distance of 5.9in. (149mm) at 1x. 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:
Features:
- Focal Length: 100mm
- Maximum Aperture: 1:2.8
- Lens construction is made up of 12 elements in 8 groups
- 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
Mount Type
Canon EF Mount
Focal Length
100mm
Aperture Range
f/2.8 - f/32
Autofocus
Yes
Minimum Focus Distance
0.31m / 1 ft.
Filter Size
58mm
Format
Full frame, APS-C Sized Sensor
Angle of View
24°
Lens Groups/Elements
8/12
Dimensions
(Approx.) 3.1 x 4." (7.87 x 11.94cm)
Weight
(Approx.) 1.28 lb (580g)
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