Item DescriptionAutofocus 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. The optional Tripod Mount Ring (B) B (with adapter) enables the lens to be rotated for vertical or horizontal framing.
|Focal Length & Maximum Aperture:||100mm 1:2.8|
|Lens Construction:||12 elements in 8 groups|
|Diagonal Angle of View:||24º|
|Focus Adjustment:||Inner focusing system with USM|
|Closest Focusing Distance:||0.31m / 1ft. (film plane to subject)|
|Max. Diameter x Length, Weight:||3.1" x 4.7", 21.1 oz. / 79.0 x 119.0mm, 600g|
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