Featuring the recent advances in optical lens design, it utilizes 1 Super UD lens element and 2 UD lens elements that lend a hand minimize chromatic aberration in the periphery at wide-angle in addition to reduced color blurring around the edges of the subject. As well as, 2 types of aspherical lenses are combined to lend a hand reduce spherical aberration over all the image area in addition to through the full zoom range. Optimized lens coatings also lend a hand ensure exceptional color balance whilst minimizing ghosting. The lens may be equipped with a circular 9-blade diaphragm for beautiful, soft backgrounds. A ring-type USM and high-speed CPU with optimized AF algorithms enable silent and fast autofocusing. Built for the rigors of professional use in addition to to meet the increased number of shots to be had with digital photography, it’s constructed with improved dust sealing and water resistance whilst fluorine coatings on the front and rear lens surfaces lend a hand reduce soiling, smears and fingerprints. A zoom lock lever locks the zoom position at the wide end for protected transporting whilst attached to an EOS DSLR camera over the shoulder.
24-70Mm focal length, 38.4-112Mm equivalent focal length on canon aps-c cameras;F2.8 Constant maximum aperture;F22 minimum, ring-type ultrasonic-type af motor with full-time manual focusing;82Mm filters, closest focusing distance: 0.38M/1.25 Ft;Image stabilization: no; Purchase this product between may 1, 2016 and july 30, 2016 and get 13 months of free damage protection from canon. The product will have to be registered within 30 days of the purchase date to be eligible