Focal Length : 100-400mm
Maximum Aperture : 4.5-5.6
Minimum aperture : 32-38
Lens Construction : 17 elements in 14 groups
Diagonal Angle of View : 24o - 6o 10'
Focus Adjustment : Rear focusing system with USM
Closest Focusing Distance : 1.8m/ 5.9 ft.
Zoom System : Linear extension Type
Filter Size : 77mm
Dimensions (D x L) : 92mm x 189mm (3.6" x 7.4")
Weight : 1380g (3.1 lbs)

Lens Cap
Lens Dust Cap E (Rear)
Lens Hood
Tripod Collar
Lens Case