The 17-55mm zoom range delivers outstanding flexibility, producing high-quality images for landscape, portrait and travel photography. The f/2.8 aperture remains constant throughout the full focal length range, so you can zoom without slowing the shutter speed. With fast focusing in Ultra-Sonic motor (USM) technology you can roam city streets and expansive scenery, capturing subjects without interruption. The 3-stop optical Image Stabilizer and wide aperture reduces camera shake, enabling hand-held photography in low-light conditions or night photography without using a flash. Benefits Versatile zoom range great for landscapes, portraits and travel Zoom across the full focal length without slowing the shutter speed thanks to the fixed f/2.8 aperture Enjoy quiet fast focusing with USM technology with full time manual focus override when needed Optimal flash metering on all shoots as this lens passes distance information to the cameras E-TTL II flash system Avoid camera shake and shoot in low light without a flash using the 3-stop Optical Image Stabilizer technology Reduce flare and ghosting with Super Spectra coatings on the lens Smooth highlights from a 7-bladed aperture for a more natural look and feel to your images Compatible with all Canon EOS DSLR cameras with an APS-C sensor and Canon EOS M series mirrorless cameras using the EF-EOS M Mount Adapter What\'s in the box EF-S 17-55mm f/2.8 IS USM Lens Lens Cap E77II Lens Dust Cap E User Manual Good for People * Life * Classic Portrait Street * Landscape * See all specifications