Compact and lightweight ultra-wide zoom lens specifically for digital SLR's that accept EF-S lenses.
• Uses optics designed to take full advantage of the small image circle and short back focus in EF-S lenses.
• 10-22mm ultra-wide-angle zoom range.(equivalent to 16-35mm in 135mm format)Inner focusing, ring USM and new AF algorithms for fast and quiet autofocusing.
• Features three aspherical lens elements (two types) as well as a super-UD glass element for high image quality at all focal lengths.
• Optimized lens coating minimizing flare and ghosting prone occurring with digital cameras.
• Minimum focusing distance of 0.24m at all focal lengths.
• Circular aperture for beautiful out-of-focus images.
• Only environmentally friendly lead free glass used in optics.