500mm F4.5 EX DG APO HSM Super Telephoto Lens

 The Sigma APO 500mm F4.5 EX DG is a large aperture telephoto lens can clear images of fast moving subjects to capture. When is sports or nature photography, it is often a substitute for the focal length. More millimeters closer to the subject, if it is a march backward in a football game or a monster elk graze on the pasture. Two ELD (Extraordinary Low Dispersion) glass elements provide excellent correction of color and sharpness throughout the zoom range and a new multi-layer lens coating and lens design formula for reducing ghosting and flare. 46 mm rear input filter with the possibility of a simple rotation of the polarization filter. Also compatible with Sigma APO Tele Converter for additional 700 mm focal length as a 1000mm F8 or F11. The Sigma 500mm is an excellent optical performance at a Grand Opening of F4.5, and this objective has a competitive price well below the lens-camera manufacturer.

For Canon

Designed for use with full-frame SLR cameras. Can be used with smaller APS-C size sensor with a corresponding increase in the effective focal length of about 750 for most cameras HSM (Hyper Sonic Motor) ensures quiet and high-speed autofocus Incredibly compact. About 14 inches long and just under 7 pounds Inner focusing, autofocus that responds quickly and change speed and length when focusing can not.

For Nikon