- About this item.
- Lens construction: 7 elements in 6 groups.Focus Adjustment: Inner focusing system with USM Diagonal Angle of View: 6° 10′ .Fluorite and Ultra-low Dispersion-glass; internal focusing; full-time manual focus Closest Focusing Distance: 35m / 115 ft Focal Length & Maximum Aperture: 400mm 1:56 Filter size: 77mm.
- This high-performance lens was designed with portability
and handling ease in mind. One Super UD-glass element, whose
characteristics are similar to fluorite, and one UD-glass element
result in sharp pictures from corner-to-corner. The lens also has
a built-in hood and a detachable tripod mount.
- Light. Portable. Excellent handling. Sharp. And
amazingly fast autofocus. The 400mm f/5.6L is all of these
things, and a premier choice for wildlife and nature
photographers–one of the finest telephoto lenses in the world
for fast-moving subjects such as birds in flight or motor sports.
It uses UD-glass elements to provide outstanding optical quality,
even wide-open, and image quality is preserved when used with
either the EF 1.4x II or EF 2x II tele extenders. It accepts 77mm
filters, and has a built-in removable tripod collar.
CANON EF 400mm f/5.6L USM