Canon EF 600mm f/4L IS II USM

Lens Reviews / Canon Lenses i Lab tested
Lens Specifications
Name Canon EF 600mm ƒ/4L IS II USM
Image Circle 35mm
Type Telephoto Prime
Focal Length 600mm
APS Equivalent 960mm
Max Aperture ƒ/4
Min Aperture ƒ/32
Diaphragm Blades 9
Lens Construction 16 elements in 12 groups (Fluorite: G2 and G4, UD Lens: None)
Diagonal Angle of View (Based on image circle) 4.2 degrees
Focus Details Inner focusing; full-time manual focus and USM
Front Element Rotation No
Zoom System n/a
Closest Focus 4.5m / 14.8 ft.
Magnification Ratio 0.15x / 1:6.6
Filter Size 52mm Drop In
Dimensions(Length x Diameter) 448mm x 168mm / 17.6 in. x 6.6 in.
Weight 3.92kg / 8.64 lb
Notes Image Stabilization (up to 4-stops), includes new Mode 3 that activates IS only when the shutter button is fully pressed.
Typical Online Price US$13,000 (Available May 2012)