Description:
With a constant f/2.8 aperture throughout the zoom range and a 3-stop Image Stabilizer, the EF-S 17-55mm f/2.8 IS USM provides outstanding performance and framing flexibility in low light conditions. Features Wide angle zoom for EF-S mount bodies f/2.8 aperture throughout zoom range 3-stop Image Stabilizer Fast, quiet auto focus Super Spectra coating Circular aperture for pleasing background blur Passes distance information to E-TTL II Optional lens hood