Canon EF400MM Camera Lens User Manual


 
ENG-15
Specifications
Focal Length & Max. Aperture 400mm, f/4
Lens Construction 17 elements in 13 groups
Min. Aperture f/32
Angle of View Diagonal: 6°10’ Vertical: 3°30’ Horizontal: 5°10’
Min. Focusing Distance 3.5 m
Max. Magnification & Field of view 0.12×, 197 × 296mm/7.7× 11.6 inch (at 3.5 m)
Filter Drop-in 52-series
Max. Diameter & Length 128 dia. × 232.7mm/5 dia. × 9.1 inch
Weight 1940g/67.9oz
Lens Hood ET-120
Lens Cap ET-145
Case Lens Case 400B
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.
The size and weight listed are for the lens only, except as indicated.
Closeup Lenses 250D/500D cannot be attached.
Aperture settings are specified on the camera.
All data listed is measured according to Canon standards.
Product specifications and appearance are subject to change without notice.
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