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Sigma 24-70mm F2.8 EX DG HSM |
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Friday, 26 September 2008 |
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Sigma has announced a new HSM version of its 24-70mm F2.8 EX DG lens. Featuring 14 elements in 12 groups, including three aspherical, one ELD and two SLD elements, the new HSM version is more compact than its predecessor. The 24-70mm F2.8 EX DG also promises fast and silent focusing coupled with full-time manual focus, thanks to the new HSM focusing motor. The lens will be available in Sigma, Canon, Nikon, Pentax and Sony mounts.

Sigma 24-70mm F2.8 EX DG HSM Specifications:
| Focal length |
24 - 70mm |
| Angle of view |
84.1°-34.3° |
| Maximum aperture |
F2.8 |
| Minimum aperture |
F22 |
| Lens Construction |
• 14 elements/12 groups, 1 ELD, 2 SLD, 3 Aspherical elements |
| 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,Case |
| Optional accessories |
• DG UV 82 mm, DG WIDE CIRCULAR PL 82mm |
| Weight |
TBD |
| Dimensions |
88.6mm diameter x 94.7mm length |
| Lens Mount |
Sigma, Canon, Nikon, Pentax, Sony |
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