Canon EF 400mm f/4 DO IS USM

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Lens Specifications
Name Canon EF 400mm f/4 DO IS USM
Image Circle 35mm
Type Telephoto Prime
Focal Length 400mm
APS Equivalent 640mm
Max Aperture f/4
Min Aperture f32
Diaphragm Blades 8
Lens Construction 17 elements in 13 groups, including 1 flourite and 1 DO element
Diagonal Angle of View(Based on image circle) 6.2 degrees
Focus Details Inner focusing; full-time manual focus and USM
Front Element Rotation No
Zoom System n/a
Closest Focus 3.5m / 11.5 ft.
Magnification Ratio 0.12x / 1:8.3
Filter Size 52mm Drop In
Dimensions(Length x Diameter) 233mm x 128mm / 9.2 in. x 5 in.
Weight 1.94kg / 4.3 lb
Notes Image Stabilization
Typical Online Price US$5300