Buster's Comments "This is a GREAT lens with a superb range and excellent quality!" The Canon EF 100-400mm f/4.5-5.6L IS USM L-series super telephoto zoom lens is equipped with an Image Stabilizer! Its fluorite and Super UD-glass elements largely eliminate secondary spectrum. The floating system also ensures high picture quality at all focal lengths. The Image Stabilizer has 2 modes and works with Extenders 1.4x II and 2x II. Specifications: Focal Length: 100-400mm Maximum Aperture: 1:4.5-5.6 Lens Construction: 17 elements in 14 groups Diagonal Angle of View: 24° - 6° 10' Focus Adjustment: Rear focusing system with focusing USM Closest Focusing Distance: 1.8m/ 5.9 ft. Zoom System: Linear extension Type Filter Size: 77mm Maximum Diameter x Length: 3.6" x 7.4" / 92mm x 189mm Weight: 3.1 lbs / 1,380g

What's in the Box: EF 100-400mm f4.5-5.6L IS USM Lens Lens Cap E-77U Dust Cap E Lens Hood ET-83C Lens Case LZ1324

1 Year Manufacturer's Warranty.