Canon EF 100mm F2.0 USM Lens

Focal length : 100 mm
Maximum aperture : 2
Minimum Aperture : 22
Lens construction : 8 elements in 6 groups
Diagonal angle of view : 24o
Focus adjustment : Rear focusing system with USM
Closest focusing distance : 0.9m / 3ft
Filter size : 58mm
Dimensions (D x L) : 73mm x 73.5mm (2.9" x 2.9")
Weight : 460g (1.0 lbs)