Canon EF 400mm f/2.8L IS USM specs
Lens
Focal Length & Maximum Aperture
400mm 1:2.8
Lens Construction
17 elements in 13 groups
Diagonal Angle of View
6° 10'
Focus Adjustment
Inner focusing system with USM
Closest Focusing Distance
3m / 9.8 ft.
Filter Size
52mm Drop-In
Max. Diameter x Length, Weight
6.4" x 13.7", 11.8 lbs. / 163.0 x 349.0mm, 5370g
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Filed in: Canon Camera Lenses
Description: Super telephoto L-series lens with an Image Stabilizer for use in track and field sports as well as low-light nature and wildlife photography. The fluorite element and two UD-glass elements result in high resolution and high contrast. The ring USM and an improved AF drive algorithm make the AF speed the fastest in the world when used with the EOS-1v and EOS-3. This lens has the same AF stop and focus preset features as the EF 300mm... read more
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