The Sigma 120-400mm F4.5-5.6 DG OS HSM telephoto zoom lens incorporates three SLD (Special Low Dispersion) glass elements provide excellent correction for chromatic aberration. This lens is equipped with the rear focus system that minimises fluctuation of aberrations 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.
Minimum focusing distance of 150cm
The minimum focusing distance of 150cm 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 focus override.
Compatible with Sigma APO Tele Converters
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.
Detachable tripod collar
A removable tripod collar and matched lens hood is included as a standard component.
Lens Construction: 21 Elements in 15 Groups
Angle of View: 20.4 - 6.2 degrees
Number of Diaphragm Blades: 9 Blades
Minimum Aperture: F32
Minimum Focusing Distance: 150cm
Maximum Magnification: 1:4.2
Filter Size: 77mm
Dimensions: Diameter 92mm X Length 203mm