Canon EF 400mm f/2.8L IS III USM

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Lens Specifications
Name Canon EF 400mm f/2.8L IS III USM
Image Circle 35mm
Type Telephoto Prime
Focal Length 400mm
APS Equivalent 640mm
Max Aperture f/2.8
Min Aperture f/32
Diaphragm Blades 9 (circular)
Lens Construction 17 elements in 13 groups, including 2 fluorite elements and one super UD element; Super Spectra Coating (SSC); Air Sphere Coating (ASC); Fluorine coating on its front and rear surfaces
Diagonal Angle of View (Based on image circle) 6.2 degrees
Focus Details Inner focusing; full-time manual focus and Ring USM; Customizable Electronic Focusing Ring; 2 Focus Presets;
Front Element Rotation No
Zoom System n/a
Closest Focus 2.5m / 8.2 ft.
Magnification Ratio 0.17x / 1:5.9
Filter Size 52mm Drop In
Dimensions(Length x Diameter) 343mm x 163mm / 13.5 in. x 6.4 in.
Weight 2.84kg / 6.26 lbs
Notes Image Stabilization (up to 5-stops of correction); Dust- and water-resistant construction; Detachable, rotatable tripod collar.
Typical Online Price US$12,000 (Available Dec. 2018)