Canon EF 24-70mm f/4 L IS USM

Blending a flexible zoom range with a versatile feature-set, the EF 24-70mm f/4L IS USM is a Canon L-series lens covering wide-angle to short telephoto focal lengths and featuring a constant f/4 maximum aperture. An advanced optical layout comprises two ultra-low dispersion elements and two aspherical elements to minimize a variety of aberrations and distortion in order to realize notable sharpness and clarity.