Canon RF 28-70mm f/2L USMAdvanced L series zoom featuring a very fast f 2 aperture and delivering exceptional image quality. It redefines zoom lens image quality. Set new standards in photography The RF 28 70mm f 2L USM offers the kind of image quality youd expect from a prime lens, and adds an f 2 maximum aperture for more creative control. Image quality that has to be seen to be believed The RF 28 70mm f 2L USM has all the optical, mechanical and electronic advantages of