A flexible zoom to benefit working in a variety of situations, the EF-S 10-22mm f/3.5-4.5 IS USM from Canon is a 16-35.2mm-equivalent lens designed for APS-C-format DSLRs. Benefitting the flexible zoom range is a sophisticated optical design, which includes one Super-UD element and three aspherical elements to control chromatic and spherical aberrations, and a Super Spectra coating has been applied to limit flare and ghosting for improved contrast. Included: Canon EF-S 10-22mm f/3.5-4.5 IS USM Lens Manufacturer Accessories: E-77 II 77mm Lens Cap Lens Dust Cap E (Rear) Limited 1-Year Warranty Bundle Accessories: 3 Piece Multi Coated HD Filter Kit 77mm (UV, CPL, FLD) High Speed SD Card Reader Deluxe Lens Pouch Lens Cap Keeper High Quality Lens Cleaning Pen High Quality Dust Blower Starter Cleaning Kit Microfiber Cleaning Cloth