Sigma unveiled its new 10-20mm F3.5 EX DC HSM Lens at the PMA 2009. The powerful lens offers a super-wide angle view of 102.4 degrees allowing you to capture stunning imaging from your DLSR. Its maximum aperture of F3.5 is perfect for close ups and indoor photography.

The Sigma 10-20mm F3.5 EX DC HSM Lens is constructed from Two ELD (Extraordinary Low Dispersion) and one SLD (Special Low Dispersion) glass elements. Its four aspherical lenses compensate for distortion within the lightweight setup. Other features include Super-Multi-layer Coating to minimize flare and a Hyper Sonic Motor(HSM) for a High speed focus.

Specifications

• Focal length     10-20mm
• Maximum aperture    f/3.5
• Minimum aperture    f/22
• Lens construction     13 elements / 10 groups
• Angle of view    102.4° - 63.8°
• Closest focus distance     24cm / 9.4in
• Maximum reproduction ratio     1:6.6
• Aperture blades    7
• Filter attachment size     82 mm
• Lens Mount    Sigma, Canon, Nikon(D), Sony(D), Pentax
• Dimensions    87.3mm × 88.2mm (3.4in × 3.5in)
• Supplied accessories    Case, Petal-type Hood