Ultra-wide angle zoom that adds a whole new level of flexibility to any photographer's setup. Small and lightweight, it's perfect for field work and has an exceptionally close focusing range of 24cm making it ideal for detailed close-up shots. Key benefits: The EF-S 10-22mm f/3.5-4.5L USM features a fast focus ring for speedy auto focusing and tracking. There's also a manual override for adding your own personal touch to photos. Super Spectra coating keeps colour balance vibrant and accurate, while reducing unwanted flare and ghosting for sharper images than ever. The aperture gives out of focus regions a softer feel making foreground objects stand out against a smoother, blurred background. An ultrasonic motor (USM) powers rapid - near silent - autofocus. Full manual override is available, making it possible to adjust focus without leaving AF mode. For use with EF-S mount Canon DSLR cameras.