Sigma announces APO 200-500mm F2.8/400-1000mm EX DG lens The ultra telephoto zoom lens that offers a fast aperture of F2.8 at the 500mm and F5.6 at the 1000mm focal length The dedicated “Attachment” ensures autofocusing at the 1000mm focal length. SLD and three ELD glass elements provide high image quality from the maximum large aperture Supplied with f72mm filter holder at the rear An ultra telephoto zoom lens offering a fast aperture of F2.8 at the 500mm focal length and F5.6 at...
Read MoreSource: Imaging Resource (2008-01-31 19:00:11)