Sigma APO 200-500mm F2.8/400-1000mm EX DG lensSigma APO 200-500mm F2.8/400-1000mm EX DG : This Sigma lens is the world’s first ultra telephoto zoom lens that offers a fast aperture of F2.8 at the 500mm focal length and F5.6 at the 1000mm. It covers widely used focal lengths from 200mm to 500mm and has a large aperture of F2.8 throughout the entire zoom range. The Sigma APO 200-500mm F2.8/400-1000mm EX DG lens can be used to create amazing image expression with various types of photography such as astrophotography, portraits, wildlife, sports. SLD (Special Low Dispersion) glass and three ELD (Extraordinary Low Dispersion) glass elements provide excellent correction for all type of aberrations. The super multi layer lens coating reduces flare and ghosting.
Read MoreSource: letsgodigital.org (News) (2008-01-31 09:00:29)