DESCRIPTION

The 400mm f/4.0 DO IS USM is Canon's breakthrough in multi-layer diffractive optical lens technology. This sheds new ground for sports, nature and wildlife photographers, giving exemplary results in a size previously unheard of for a lens of such a focal length and aperture. Simply put, the size and ease of handling must be seen to be understood. Specifications: Filter Size: 52mm (Rear) [52mm drop-in filter holder required] F-Stop Range: 4-32 Minimum Focus Distance: 11.5' Magnification: 1:8.3 Angle Of View: 6 Degrees Groups/Elements: 12/17 Tripod Collar: Yes (removable) Length: 9.2 Max. Diameter: 5.0 Weight: 4.30 lb (with collar) Included Items: E145 Front Cap Rear Cap E ET-120 Hood Carrying Case Wide Strap 52mm Drop-In Gel Filter Holder (with glass filter mounted).