Overview

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.

• The EF 400mm f/5.6L USM Lens from Canon is a high-performance telephoto prime lens designed with portability and easy handling in mind. One super UD-glass element and one UD-glass element minimize aberrations and result in sharp pictures. The lens also has a built-in hood and a detachable tripod mount.

Features:

• Super UD and UD Glass Elements - One Super UD-glass element, whose characteristics are similar to fluorite and one UD-glass element minimize aberrations and result in sharp pictures from corner-to-corner.
• Ultrasonic Autofocus Motor - An Ultrasonic Autofocus Motor (USM) provides fast, smooth and quiet autofocus.
• Focus Range Limiter - On the 400mm f/5.6 lens you can choose the focusing distance range with a switch on the lens barrel. By setting a suitable focusing distance range, actual autofocus time can be shorter. The two focusing ranges are 11.5' to infinity and 27.9' to infinity.
• Manual Focus Override - Full-time manual focus override allows you to use manual focus mode for precision focusing at any time, even when in autofocus mode.
• Detachable Tripod Collar - The 400mm f/5.6 lens includes a removable, rotatable tripod collar for stable and secure tripod mounting.
• Built-in Lens Hood - A built-in lens hood deflects stray light, reducing flare.