Canon EF-S 17-55mm f/2.8 IS USM Lens acpoverstock The LCD features a tilting

The LCD features a tilting design to support working from high and low angles and its touch capability permits the use of Touch Focus and Touch Shutter functions

and an enhanced front-end LSI to boost light-gathering abilities

yet effective optical design that incorporates one aspherical element

XF 50-140 f/2

Canon EF-S 17-55mm f/2.8 IS USM Lens acpoverstock The LCD features a tiltingA tremendously flexible standard zoom for APS C format DSLRs, the EF S 17 55mm f 2. 8 IS USM from Canon pairs the 27. 2 88mm equivalent focal length range with a bright f 2. 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 and sharpness throughout the zoom range.