EF-S 10-22mm f/3.5-4.5 USM
Ultra-wide zoom lens for APS-C DSLRs.
Compact, lightweight ultra-wide zoom lens designed for digital SLR's which accept EF-S lenses. Its optics take advantage of a small image circle and short back focus. Fast and silent autofocusing with ring USM and AF algorithms. Asperhical lens elements and super-UD glass element ensure excellent image quality across focal lengths, while lens coating reduces flare and ghosting. Circular aperture provides gorgeous out-of-focus backgrounds.