Sigma APO 120-400mm telephoto zoom lens
Sigma APO 120-400mm telephoto zoom lens : Sigma is pleased to announce the launch of the Sigma APO 120-400mm F4.5-5.6 DG OS HSM. The Sigma APO 120-400mm telephoto zoom lens incorporates Sigma’s original OS (Optical Stabilizer). It offers the equivalent of using a shutter speed approximately 4 stops faster. Three SLD (Special Low Dispersion) glass elements provide excellent correction for chromatic aberration. The Sigma telephoto zoom lens is equipped with the rear focus system that minimizes fluctuation of aberration caused by focusing. It provides optimum image quality throughout the entire zoom range. The super multi-layer lens coating reduces flare and ghosting. High image quality is assured throughout the entire zoom range.
Read MoreSource: letsgodigital.org (News) (2008-01-31 14:00:50)