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). Focal Length & Maximum Aperture 600mm 1:4.0 Lens Construction 17 elements in 13 groups Diagonal Angle of View 4 degrees 10' Focus Adjustment Inner focusing system with USM Closest Focusing Distance 5.5m / 18 ft. Filter Size 52mm Drop-In Max. Diameter x Length, Weight 6.6" x 18.0", 11.8 lbs / 168.0 x 456.0mm, 5360g More Product Information for the Canon 600mm F/4L IS USM EOS Lens,CANON AUTHORIZED USA DEALER WARRANTY INCLUDED 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).

General Information Manufacturer Canon, Inc Manufacturer Part Number 2534A002 Manufacturer Website Address www.usa.canon.com Brand Name Canon Product Name EF 600mm f/4L IS USM Super Telephoto Lens Product Type Super Telephoto Lens Technical Information Fixed Focal Length 600mm Aperture Range f/4 Filter Attachment Diameter 52mm Lens Construction 17 Elements in 13 Groups Viewing Angle 4.16� Physical Characteristics Material Glass Dimensions 18" Length x 6.6" Diameter Weight 11.8 lb Miscellaneous Additional Information Focus Adjustment: Inner focusing system with USM Compatibility EOS (SLR) Camera Systems: # EOS-1v # EOS-3 Warranty Standard Warranty 1 Year Limited Parts Warranty/Labor 1 Year