The Canon RF 28-70mm f/2 L USM is a fast, versatile, ultra high-quality zoom Lens for the Canon EOS R System. The super-fast f/2 aperture gives you extra creative power and Canon’s USM technology offers smooth, near-silent autofocusing. It has a zoom range that will find uses in just about every area of photography. It's sealed against dust and moisture for bad weather and harsh conditions. This lens delivers the image quality expected from prime lenses with a super-fast, bright f/2 aperture right across the range, giving stunning results in low light. Achieve extraordinary image quality and expect very high sharpness with low levels of distortion. Focus quickly and in near silence, thanks to an advanced ring-type USM AF motor. When combined with the EOS R systems silent shooting technology, photographers can remain discreet. Experience faster shutter speeds and f/2 aperture that can freeze subject and camera movement. With a shallow depth of field, this lens is ideal for emphasizing a pin-sharp subject. It features a customizable Lens Control Ring, which lets photographers respond instinctively to changing conditions by quickly adjusting a variety of settings including aperture, shutter speed, ISO and exposure compensation.