Product description. The Canon RF 24-70 F2.8L IS USM is a standard zoom lens for the company's full-frame mirrorless system. It has a whopping 21 elements, including 3 aspherical and 3 UD elements. It uses a Nano USM motor to drive the focus group quickly and quietly. The minimum focus distance of the lens is 21cm at wide-angle and 38cm at
Buy on Amazon.com From $1,899.00. Just posted: Our review of Canon's top-end standard zoom, the EF 24-70mm f/2.8L II USM. Launched a year ago to replace its 10-year old predecessor, it's designed as a workhorse for professional photographers, and features a completely new optical design and improved, weathersealed build. CLke7.