Canon EF 400mm f/5.6L USM

Features

- Focal length and maximum aperture: 400 mm f5.6
- Lens construction: 7 elements in 6 groups
- Diagonal angle of view: 6°-10°
- Focus adjustment: Inner focusing system with USM
- Closest focusing distance: 3.5m / 11.5ft
- Filter size: 77mm

This high-performance lens was designed with portability and handling ease in mind

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.