Canon EF 400mm f/4 DO IS II USM EF400mm f/4 DO IS II USM Instructions - Page 23

Specifications Focal Length/Aperture Lens Construction Minimum Aperture Angle of View Min. Focusing Distance Max. Magnification Field of View Filter Max. Diameter and Length Weight Hood Lens Cap Case 400mm f/4 12 groups, 18 elements f/32 Diagonal: 6° 10' Vertical: 3° 30' Horizontal: 5° 10' 3.3 m/10.83 ft. 0.13× Approx. 185 × 278 mm/ 7.28 × 10.94 inch (at 3.3 m/10.83 ft.) Any 52(WII)-series drop-in filter Approx. 128 × 232.7 mm/5.04 × 9.16 inch Approx. 2100 g/74.1 oz ET-120(WII) E-145C Lens case 400D OO The lens length is measured from the mount surface to the front end of the lens. Add 26.5 mm when including the lens cap and dust cap. OO The size and weight listed are for the lens only, except as indicated. OO The Close-up Lenses 250D and 500D cannot be attached. OO Aperture settings are specified on the camera. OO All data listed is measured according to Canon standards. OO Product specifications and appearance are subject to change without notice. ENG-22