New Sigma 10-20mm F3.5 EX DC HSM Wide Angle Lens
This super-wide angle lens has a maximum aperture of F3.5 throughout the entire
With its wide angle view from 102.4 degrees it can produce striking images with
exaggerated perspective. The maximum aperture of F3.5 is ideal for indoor
shooting and it enables photographers to emphasize the subject.
Two ELD (Extraordinary Low Dispersion) glass elements and a SLD (Special Low
Dispersion) glass element provide excellent correction of color aberration. Four
aspherical lenses provide correction for distortion and allow compact and
lightweight construction. The Super Multi-Layer coating reduces flare and
ghosting. High image quality is assured throughout the entire zoom range.
The incorporation of HSM (Hyper-Sonic Motor) ensures a quiet and high-speed auto
focus as well as full-time manual focusing capability. This lens has a minimum
focusing distance of 9.4 inches (24cm) throughout the entire zoom range and a
maximum magnification ratio of 1:6.6.
The lens design incorporates an inner focusing system which eliminates front
lens rotation, making the lens particularly suitable for using the Petal-type
hood and polarizing filter. The Petal-type hood blocks extraneous light and
reduces internal reflection.