canon rf 28-70mm f/2l usm zoom lens

canon rf 28-70mm f/2l usm zoom lens the canon rf 28-70mm f/2l usm takes full advantage of the wide diameter and short back focus of canons rf mount to achieve a constant aperture value of f/2. rethink image quality the lens achieves image quality at f/2 comparable to – or even greater than – that of the ef 24-70mm f/2.8l ii usm at its widest aperture of f/2.8. lens control ring for fast intuitive shooting the rf 28-70mm f/2l usm features canons new lens control ring offering customizable control over aperture, shutter speed, iso or exposure compensation. the highest standards of performance, operability & durability ideal for shooting portraits, landscapes, weddings and astro to take advantage of the wide f/2aperture and incredibly high optical performance.