Canon EF 400mm f/4 DO IS USM Super Telephoto Lens

Canon Updated: 2007-06-02
Canon EF 400mm f/4 DO IS USM Super Telephoto Lens

Canon’s breakthrough multi-layer diffractive optical lens technology provides photographers with superior super-telephoto performance in a smaller and lighter design with enhanced correction for chromatic aberrations. We’ve also added our highly effective Image Stabilization system that gives the equivalent effect of a shutter speed two stops faster. And, it’s built to our professional standards with fast AF, full-time mechanical focus and dust and water-resistant construction.

Lens

Focal Length & Maximum Aperture: 400mm 1:4

Lens Construction: 17 elements in 13 groups

Diagonal Angle of View: 6° 10'

Focus Adjustment: Inner focusing system with USM

Closest Focusing Distance: 3.5m / 11.5 ft.

Filter Size: 52mm Drop-In

Max. Diameter x Length, Weight: 5.0" x 9.2", 4.3 lbs. / 128.0 x 232.7mm, 1940g