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Canon RF 800mm f/5.6 L IS USM Lens

BH #CA80056LRF • MFR #5055C002
Canon RF 800mm f/5.6 L IS USM Lens
Key Features
  • RF-Mount Lens/Full-Frame Format
  • Aperture Range: f/5.6 to f/64
  • Fluorite, Super UD, and UD Elements
  • Air Sphere and Super Spectra Coatings
Relatively sleek despite its super-telephoto reach, the Canon RF 800mm f/5.6 L IS USM is an impressive prime meshing top-of-the-line performance with an updated compact and lightweight design. Ideal for sports, wildlife, and journalism applications, this long lens offers a distinctly tight field of view for isolating distant subjects, along with responsive AF and image stabilization, reliable weather-sealing, and intuitive handling for dependable use in fast-paced situations.
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Canon RF 800mm f/5.6L IS USM Overview

  • 1Description
  • 2Powerful Reach, Unprecedented Portability
  • 3L Series Optics
  • 4USM Autofocus and Image Stabilization
  • 5Intuitive Handling and Professional Reliability
By B&H Photo's
Powerful Reach, Unprecedented Portability
Relatively sleek despite its super-telephoto reach, the Canon RF 800mm f/5.6 L IS USM is an impressive prime meshing top-of-the-line performance with an updated compact and lightweight design. Ideal for sports, wildlife, and journalism applications, this long lens offers a distinctly tight field of view for isolating distant subjects, along with responsive AF and image stabilization, reliable weather-sealing, and intuitive handling for dependable use in fast-paced situations.
L Series Optics
  • Featuring an optical design based on past EF and RF super-telephoto lenses, this lens features top-range optics designed for the most demanding shooting applications.
  • Two fluorite, one Super Ultra Low-Dispersion (UD), and one UD element virtually eliminate chromatic aberrations for outstanding clarity and color accuracy, void of chromatic aberrations or fringing.
  • Advanced optical design also contributes to the sleeker, more portable form factor of this RF-mount, mirrorless lens.
  • Both Air Sphere and Super Spectra Coatings improve image quality by maintaining high contrast and color accuracy while reducing lens flare and ghosting when working in strong lighting conditions.
  • Rounded nine-blade diaphragm contributes to a smooth bokeh quality.
USM Autofocus and Image Stabilization
  • Ultrasonic Motor delivers fast, accurate, and near silent autofocus performance to benefit both photo and video applications.
  • Impressively close 8.5' minimum focusing distance, and a maximum magnification of 0.34x, suit working with nearby subjects, such as close-range wildlife, birds, and athletes.
  • Variable speed manual focusing offers three options for greater focusing control and full-time manual focus support permits making focus adjustments without switching modes.
  • Two focus presets can be stored for immediate recall to a specified focus distance.
  • Focus range limiter improves responsiveness by constraining the usable focusing range.
  • Benefitting handheld and monopod-based shooting, Optical Image Stabilization compensates for 4.5 stops of camera shake for sharper imagery. Due to the long focal length, in-body image stabilization, or Coordinated IS, from EOS R-series bodies is not supported with with this lens.
Intuitive Handling and Professional Reliability
  • Relatively lightweight and compact, this 800mm f/5.6 lens weighs 6.9 lb and measures 17"-long, making it realistic to use atop a monopod or even handheld for short periods of time.
  • Built-in rotating tripod mount suits working with the lens atop a monopod or tripod and enables quick switching between vertical and horizontal shooting orientations.
  • Weather-sealed design for reliable use in inclement conditions.
  • Fluorine coating on front element helps repel moisture, dust, and fingerprints and is also easier to clean.
  • Distinctive heat-resistant white paint finish.
  • Accepts drop-in style 52mm filters toward the rear of the lens.
  • Compatible with optional Extender RF 1.4x and 2x teleconverters for further extending the effective reach of this lens.

Canon RF 800mm f/5.6L IS USM Specs

Focal Length800mm
Maximum Aperturef/5.6
Minimum Aperturef/64
Lens MountCanon RF
Lens Format CoverageFull-Frame
Angle of View3° 5'
Minimum Focus Distance8.5' / 2.6 m
Maximum Magnification0.34x
Optical Design26 Elements in 18 Groups
Diaphragm Blades9, Rounded
Focus TypeAutofocus
Image StabilizationYes
Tripod CollarFixed and Rotating
Filter Size52 mm (Drop-In)
Dimensions (ø x L)6.4 x 17" / 163 x 432 mm
Weight6.9 lb / 3140 g
Packaging Info
Package Weight16.485 lb
Box Dimensions (LxWxH)26.1 x 16.1 x 16"

Canon RF 800mm f/5.6L IS USM Reviews

Not so sharp as expected

By Guttorm
Rated 2 out of 5
Date: 2022-08-18

Bought this lens for using it with my R5 . The lens is a disappointment when it comes to sharpness, especially considering the price. Comparing it with my Sony 600mm f.4 its far behind when it comes to sharpness. Had expected more from Canon. Now I'm using it mostly for video when the lack of sharpness isn't so visible.

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