PRESS RELEASE
January 2008
120-400mm f/4.5-5.6 DG OS HSM
Telephoto zoom lens incorporating Sigma’s original Optical Stabiliser
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Incorporates Sigma’s original OS (Optical Stabiliser) system
Special Low Dispersion glass elements
Inner focusing system
HSM (Hyper Sonic Motor) motor and full time manual focus
ꢀ Minimum focusing distance of 150cm at all focal lengths
The Sigma Corporation is pleased to announce the launch of the new APO 120-400mm F4.5-5.6 DG OS
HSM.
This telephoto zoom lens incorporates Sigma’s original OS (Optical Stabiliser) system. 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. 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.
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.
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.
THE SPECIFICATIONS
Minimum Aperture
Lens Construction
Angle of View
F22
Minimum Focusing Distance 150cm
21 Elements in 15 Groups
20.4°- 6.2°
9 pcs
Maximum Magnification
Filter Size
1:4.2
77mm
No. of Diaphragm Blades
Weight
Lens Hood
Bayonet Type
£599.99
1,750g
SRP
Dimensions
Diameter 92.5mm x Length 203.5mm
Sigma AF, Canon AF, Nikon AF
Available Fittings
Available April 2008
For further information please contact:
Sigma Imaging (UK) Ltd, 13 Little Mundells, Welwyn Garden City Hertfordshire, AL7 1EW
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