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

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Canon RF 28-70mm f/2L USM

Combining the versatility of a zoom with the speed typically reserved for a prime, the Canon RF 28-70mm f/2L USM 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.

  • Standard wide-angle to short-telephoto zoom lens is designed for use with full-frame Canon RF-mount mirrorless cameras.
  • Impressively bright f/2 maximum aperture maintains consistent illumination throughout the zoom range and suits working in low-light conditions as well as affords increased control over depth of field for working with selective focus techniques.
  • Ultra-Low Dispersion (UD) elements are featured in the optical design, and help to suppress color fringing and chromatic aberrations in order to achieve greater clarity and color accuracy throughout the zoom range.
  • A ring-type Ultrasonic Motor (USM), along with an internal focusing design, optimized focusing algorithms, and a high-speed CPU, is employed to deliver fast, precise, and quiet autofocus performance as well as full-time manual focus override.
  • Configurable Control Ring can be used to adjust a variety of exposure settings, including aperture, ISO, and exposure compensation.
  • As a member of the esteemed L-series, this lens has a weather-resistant design that protects against dust and moisture to enable its use in inclement conditions.
  • Rounded nine-blade diaphragm contributes to a pleasing bokeh quality.

Canon has announced three new EF-to-RF adapters along with the new RF lens


Canon Mount Adapter EF-EOS R Canon EF/EF-S Lens to EOS R Camera Maintains AF and Image Stabilization

Canon Control Ring Mount Adapter EF-EOS R Canon EF/EF-S Lens to EOS R Camera Maintains AF and Image Stabilization Configurable Control Ring

Canon Drop-In Filter Mount Adapter EF-EOS R Canon EF/EF-S Lens to EOS R Camera Maintains AF and Image Stabilization Compatible with Drop-In CP & ND Filters
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Specifications
Primary specifications
Lens type Zoom lens
Max Format size 35mm FF
Focal length 28–70 mm
Image stabilization No
Lens mount Canon RF
Aperture
Maximum aperture F2
Minimum aperture F22
Aperture ring No
Number of diaphragm blades 9
Optics
Elements 19
Groups 13
Special elements / coatings UD + aspherical elements, Air Sphere, SWC and fluorine coatings
Focus
Minimum focus 0.39 m (15.35)
Maximum magnification 0.18×
Autofocus Yes
Motor type Ring-type ultrasonic
Full time manual Yes
Focus method Internal
Distance scale No
DoF scale No
Physical
Weight 1430 g (3.15 lb)
Diameter 104 mm (4.09)
Length 140 mm (5.51)
Sealing Yes
Colour Black
Zoom method Rotary (extending)
Power zoom No
Zoom lock No
Filter thread 95 mm
Other

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