Sigma 28-70mm & 70-300mm AF Lens Set For Canon EOS 1D, 10D, 20D, 30D, 40D, 50D, Digital Rebel XT, XTi, XS, & XSi Digital SLR Camera's
  | Product Description Sigma Zoom Telephoto 70-300mm f/4-5.6 DG Macro Autofocus Lens Capable of macro photography, this lens has a 1:2 maximum close-up magnification at the 300 mm focal length. Its the ideal high performance lens for portraits, sports photography, nature photography, and other types of photography that frequently use the telephoto range. It also has a switch for changeover to macro photography at focal lengths between 200mm and 300mm with a maximum close-up magnification from 1:2.9 to 1:2.SLD (Special Low Dispersion) glass in this lens provides excellent correction of chromatic aberration. The new multi layer lens coating and lens design reduce flare and ghost, which is a common problem with digital cameras and also creates an optimum color balance through the entire zoom range.Sigma incorporated SLD (Special Low Dispersion) glass in this lens for excellent correction of chromatic aberration. This also corrects for fluctuation of aberration due to focusing. High optical performance is demonstrated throughout the entire zoom range. Sigma 28-70mm f/2.8-4 DG High Speed Zoom Autofocus Lens This standard zoom lens has a large aperture of F2.8 at 28mm focal length and yet it is compact and lightweight, with an overall length of 62.5mm (2.5) and weight of 255g. (9oz.). This digitally optimized diagonal fisheye lens is equipped with a new multi-layer coating technology that reduces both flare and ghosting. This compact, large aperture zoom lens is ideal for digital and 35mm SLR cameras. The new multi layer lens coating and lens design reduce flare and ghost, which is a common problem with digital cameras and also creates an optimum color balance. This standard zoom lens has a large aperture of F2.8 at 28mm focal length and yet it is compact and lightweight, with an overall length of 62.5mm (2.5) and weight of 255g. |
Post a Comment