Canon RF 28-70mm f/2 L USM Lens

• RF-Mount Lens/Full-Frame Format
• Aperture Range: f/2 to f/22
• Ultra-Low Dispersion Elements
• Ring-Type Ultrasonic Motor AF System
• Customizable Control Ring
• Rounded 9-Blade Diaphragm
• 95mm Filter Diameter

The Canon RF 28-70mm f/2 L USM lens is a wide-angle to portrait-length lens distinguished by its impressively unique f/2 constant maximum aperture. This bright design yields excellent low-light performance along with enhanced control over depth of field for isolating subject matter. Ultra-Low Dispersion glass is employed in the optical design, and greatly reduces color fringing and chromatic aberrations in order to realize high clarity and color accuracy.

Complementing the advanced optical properties is Canon's proven ring-type Ultrasonic Motor, which delivers fast and quiet autofocus performance along with full-time manual focus control. Additionally, unique to RF lenses, this 28-70mm incorporates a configurable Control Ring for intuitively adjusting exposure settings, including ISO, aperture, and exposure compensation, from the lens itself.

The RF mount:

The RF mount at the heart of the EOS R System is designed to maximise lens design possibilities and features a short back focus design and wide lens throat. This has made it possible for Canon engineers to design new lenses that weren’t possible before. The RF mount also transmits data faster via a 12-pin connector meaning quicker AF and lens processing using Digital Lens Optimiser stored in the lens itself. 

The RF 28-70mm f/2 L USM zoom is one of the first Canon EOS R System lenses to feature an innovative Control Ring on the barrel, offering photographers used to manual cameras a familiar and intuitive traditional control over a wide range of customisable settings. This feature gives the photographer greater and faster connection with the camera and allows full concentration to be given to the subject. The Control Ring has a reassuring and familiar ‘click’ as it rotates which can be de-clicked at service, useful for filmmakers wishing to retain the silent characteristics of the lens.

Redefine what you expect from a standard zoom lens:

Expect a performance that’s nothing short of extraordinary, characterised by superb edge-to-edge sharpness and extremely low levels of distortion – even at wide apertures. The Canon RF mount allows for optical designs that would previously have been impossible: the RF 28-70mm f/2 L USM uses four aspherical elements, a pair of Ultra low Dispersion (UD) elements and a super UD element. Highly versatile 28-70mm zoom range is popular with professional photographers working in all kinds of photography, from reportage and weddings to travel, landscape and portraiture.

Super-fast f/2 maximum aperture for extra creative power:

The RF 28-70mm f/2 L USM boasts a huge f/2 maximum aperture, giving photographers unprecedented control over depth of field in a zoom lens. Isolate pin-sharp subjects against a smooth out-of-focus background. Such a wide aperture is excellent for low-light work, allowing photographers to shoot with faster shutter speeds that can freeze both subject and camera movement.

Smooth, near-silent autofocusing, with Canon’s USM technology:

The RF 28-70mm f/2 L USM focuses quickly and in near silence, thanks to an advanced ring-type USM AF motor. Track fast-moving objects around the frame, keeping them in sharp focus. The fast data transfer between lens and camera, permitted by the Canon RF mount, helps the RF 28-70mm f/2 L USM react quickly and responsively.

Smart controls and intuitive ergonomics for a natural shooting experience:

An intuitive, tactile Control Ring around the lens’s barrel lets photographers adjust camera settings while shooting without taking the camera away from their eye. The Control Ring can be programmed to change aperture, shutter speed, ISO and exposure compensation.

Legendary Canon L-Series pedigree inspires confidence:

As an L-Series lens, the RF 28-70mm f/2 L USM is built to exacting standards and designed to withstand the rigors of professional use. Shoot with conviction and let nothing interrupt your creative flow, thanks to L-Series weather sealing that protects against dust and moisture. 

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