Focal Length : 70-200mm
Maximum Aperture : 2.8
Minimum Aperture : 32
Lens Construction : 23 elements in 18 groups
Diagonal Angle of View : 34o - 12o
Focus Adjustment : Inner focusing system with USM
Closest Focusing Distance : 1.3m / 4.3ft.
Zoom System : Rotating type
Filter Size : 77mm
Dimensions (D x L) : 86.2mm x 197mm (3.4" x 7.8")
Weight : 1470g (3.24 lbs)