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Photokina 2008: Sigma has today announced a new HSM version of its popular 24-70mm F2.8 EX DG lens. This large aperture standard zoom is considerably more compact than its predecessor, thanks to a brand new optical design which features 14 elements in 12 groups, including three aspherical, one ELD and two SLD elements. The HSM focusing motor promises fast and silent focusing coupled with full-time manual focus, and the minimum focus distance is 38cm allowing a maximum magnification of 1:5.3. The lens will be available in Sigma, Canon, Nikon, Pentax and Sony mounts.
The Sigma Corporation is pleased to announce the new 24-70mm F2.8 EX DG HSM. This large aperture standard zoom lens covers focal lengths from 24mm and is housed in compact construction.
The latest optical design provides an overall length of 94.7cm /3.7inch. It is ideal for general photography such as snapshots, portraiture and landscapes. The Super Multi Layer Coating reduces flare and ghosting. ELD (Extraordinary Low Dispersion) glass, two SLD (Special Low Dispersion) glass elements and three aspherical lenses provide excellent correction of all types of aberrations.
Superior optical performance is ensured throughout the entire zoom range. This lens incorporates HSM (Hyper Sonic Motor), ensuring a quiet and high speed AF as well as full time manual focusing capability. This lens has a minimum focusing distance of 38cm/15in and a maximum magnification ratio of 1:5.3.
The rounded 9 blades diaphragm creates an attractive blur. It is possible to attach the included petal-type hood to block out extraneous light.
|Focal length||24 - 70mm|
|Angle of view||84.1°-34.3°|
• 14 elements/12 groups
|Number of diaphragm blades||9 (rounded)|
|Minimum focus||38 cm (15 in)|
|Maximum magnification||1 : 5.3|
|AF motor type||• Ring-type HSM (Hyper Sonic Motor)
• Full-time manual focus
|Image stabilization||• None|
|Filter thread||• 82 mm|
|Supplied accessories|| Petal-type lens hood
DG UV 82 mm
|Dimensions||88.6mm diameter x 94.7mm length
(3.5 x 3.7 in)
|Lens Mount||Sigma, Canon, Nikon, Pentax, Sony|