Canon EF 600mm f/4L IS USM

EF 600mm f/4L IS USM This lens is ideal for sports and wildlife photography. The newly designed optical system has one fluorite element and two UD-glass elements to obtain high resolution and high contrast. Also, the minimum focusing distance was reduced to 18 ft. (5.5m). Extender EF 2x II can be attached to increase the focal length to 1200mm while retaining AF (at the center focusing point with the EOS-1v and EOS-3).
- High-performance L-series super-telephoto lens series with built-in dual-mode Image Stabilizer (IS) function.
- Ultra-high image quality through new optical designs with Fluorite and UD Glass.
- World's highest AF speed with improved Ring USM (Ultrasonic Motor) and new algorithms for focus prediction with moving subjects.
- Magnesium alloy lens barrels for reduced weight and rugged reliability.