Canon EF-S 17-55mm f2.8 IS USM Lens 2、Smooth response curve

2、Smooth response curve

3-86mm f/3

both of which deliver write speeds that are guaranteed not to drop below 30 MB/s

Bluetooth Connectivity

so the only thing you hear is your music

Canon EF-S 17-55mm f2.8 IS USM Lens 2、Smooth response curveCanon EF S 17 55mm f2. 8 IS USM Overview A tremendously flexible standard zoom for APS C format DSLRs, the EF S 17 55mm f2. 8 IS USM from Canon pairs the 27. 2 88mm equivalent focal length Range with a bright f2. 8 constant maximum aperture. Benefitting this design is a sophisticated optical layout, which includes both Ultra Low Dispersion glass and aspherical elements To significantly reduce chromatic and spherical aberrations for improved clarity