Sigma APO 120-400mm F4.5-5.6 DG OS HSM

Sigma APO 120-400mm F4.5-5.6 EX DG HSM

The Sigma APO 120-400mm F4.5-5.6 EX DG HSM is a lens with 21 Elements in 15 Groups and a 20.4 - 6.2 degrees angle of view. It has 9 diaphragm blades with an f22 minimum aperture. Its minimum focusing distance is 150cm / 59.1 inch with 1:4.2 maximum magnifications. The lens’ filter size is 77 mm with a bayonet-type hood. The lens measures 92.5mm X 203.5mm / 3.6 in. X 8 inch and weighs 1750g/61.7 oz. It corresponds with SIGMA, CANON, NIKON, SONY/MINOLTA AG mounts.

Features

The Sigma APO 120-400mm F4.5-5.6 EX DG HSM is a telephoto zoom lens that incorporates Sigma’s original OS (Optical Stabilizer) function. It offers the use of shutter speeds approximately 4 stops slower. Three SLD (Special Low Dispersion) glass elements provide correction for chromatic aberration. This 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 coating reduces flare and ghosting. High image quality is assured throughout the entire zoom range. The minimum focusing distance of 150cm (59.1”) throughout the entire zoom range and has a maximum magnification of 1:4.2 make it useful for close-up photography. This lens incorporates HSM (Hyper Sonic Motor), which ensures a quiet and high-speed AF as well as full-time manual focusing capability. The addition of the optical 1.4x EX DG APO or 2x EX DG APO Tele Converters produce a 168-560mm F6.3-8 MF ultra-telephoto zoom lens or a 240-800mm F9-11 MF ultra-telephoto zoom lens respectively.