Specifications Type : Super-telephoto Construction : 15 elements in 11 groups (UD glass in G2, G5) View of Angle : 8°15' Aperture Range : f/4-f/32 Closest Focusing Distance : 4.9 ft. (1.5 m) Shooting Distance Range : 4.9/11.5 ft. (1.5 m/3.5 m) to infinity Filter Size : 77mm Function : AF, AE operation, Auto Aperture, Full Aperture Metering, Manual Focus also possible IS Max Correctable Angle : +/-0. 5° (at infinity) IS Function : Stabilizer Mode 1 (bidirectional image stabilization); Stabilizer Mode 2 (unidirectional image stabilization) AF System : Rear-group focusing, with Ultrasonic Motor (USM) Diaphragm : Pulse control system using Electromagnetic Diaphragm (EMD) Coating : Super Spectra Dimensions : 3.5" diameter x 8.7" length (90mm x 221mm) Weight : 42.3 oz (1.2 kg) Lens Hood : Built-in (Locks when pulled out) Compact L-series telephoto lens with an Image Stabilizer which compensates for camera shake with the equivalent effect of a shutter speed two stops faster. Two Image Stabilizer modes are provided: Stabilizer Mode 1 (the same mode featured on the EF 75-300mm f/4-5.6 IS USM) and the new Stabilizer Mode 2 which steadies the image during horizontal or vertical panning. Mode 2 detects the panning direction automatically. The closest focusing distance is 4.9 feet (1.5 m).
Canon P/N: E1CN300F4IS