Since EF-S lenses only mount on Canon EF-S bodies - which all feature a 1.6x FOVCF - the 17-55mm focal length range always equates to the field of view of a 27.2-88mm lens mounted on a full-frame ...

"A large aperture, super wide angle zoom lens with the wide-angle focal length of 17mm. The optical system has two aspherical elements, including the first lens element which is a ground and polished ...

We've been trying out the new Sony A7 III full-frame camera with some older Canon f/4 L series lenses - namely the EF 24-105mm F/4L IS USM, EF 17-40mm F/4L USM and the EF 70-200mm F/4L USM - mounted ...

Canon today strengthens its EF-S lens series with the launch of the Image Stabilised wide angle EF-S17-55mm f/2.8 IS USM. With image quality and construction approaching that of Canons renowned ...