Canon EF 300mm f/2.8L IS USM

Lens Reviews / Canon Lenses i Lab tested
Lens Specifications
Name Canon EF 300mm f/2.8L IS USM
Image Circle 35mm
Type Telephoto Prime
Focal Length 300mm
APS Equivalent 480mm
Max Aperture f/2.8
Min Aperture f/32
Diaphragm Blades 8
Lens Construction 17 elements in 13 groups, including 1 flourite and 2 UD elements
Diagonal Angle of View(Based on image circle) 8.3 degrees
Focus Details Inner focusing; full-time manual focus and USM
Front Element Rotation No
Zoom System n/a
Closest Focus 2.5m / 8.2 ft.
Magnification Ratio 0.13x / 1:7.7
Filter Size 52mm Drop In
Dimensions(Length x Diameter) 252mm x 128mm / 9.9 in. x 5.0 in.
Weight 2.55kg / 5.6 lb
Notes Image Stabilization; Magnesium alloy lens barrels
Typical Online Price US$3900