Canon EF 100mm f/2 USM

Specifications

Focal Length & Maximum Aperture	100mm 1:2.0
Lens Construction	8 elements in 6 groups
Diagonal Angle of View	24°
Focus Adjustment	Rear focusing system with USM
Closest Focusing Distance	0.9m / 3 ft.
Filter Size	58mm
Max. Diameter x Length, Weight	3.0" x 2.9", 1.0 lbs. / 75.0 x 73.5mm, 460g