Canon Support for RF800mm F5.6 L IS USM Lens | Canon U.S.A., Inc.

RF800mm F5.6 L IS USM Lens

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Focal Length 800mm
Maximum and Minimum Aperture f/5.6 - f/64
Lens Mount Type RF Mount, metal
Compatible Cameras Canon EOS R-series
Minimum Focusing Distance 2.6 m / 8.53 ft.
Maximum Magnification 0.34x
Field of View, at Minimum Focus Distance Approx. 206 mm x 138 mm / 8.1 x 5.4 in.
Angle of View (Diagonal) 03° 05'
Canon RF Extender 1.4x/2x Compatible
Equivalent Focal Length / Maximum Aperture RF1.4x - 1120mm f/8
RF2x - 1600mm f/11
Maximum close-focusing magnification RF1.4x - 0.49x RF2x - 0.71x
Autofocus with EOS R-series cameras* * (as of 2/2022) Possible with either extender
Image Stabilizer with EOS R-series cameras* * (as of 2/2022) Possible with either extender
Lens Construction 26 elements in 18 groups
Special Elements (2) Fluorite, (1) Super UD Lenses, (1) UD (Ultra-low Dispersion)
Lens Coating Super Spectra Coating, Fluorine Coating, ASC
Filter Size Diameter ο52 mm
Aperture Blades 9, circular shape
Image Stabilization 4 stops correction with In-lens Optical Image Stabilization
Focusing Drive System Canon USM low-speed drive (Ring USM)
Full-time Manual Focusing Yes
(Supports both ONE SHOT AF and SERVO AF with compatible EOS R-series cameras)
Manual Focus Speed Selection Yes (1, 2, and 3 settings, via switch on lens)
1= fastest MF; 3= slowest MF rotation
Focus Distance Range Selection Yes (3 positions, via switch on lens)
FULL - 2.6m/8.5 feet - infinity
2.6m/8.5 feet - 20m/65.6 feet
20m/65.6 feet - infinity
Dual Pixel CMOS AF Coverage (Horizontal x Vertical) EOS R5/R6 - approx. 100% x 100%
EOS R - approx. 88% x 100%
With Extender RF1.4x EOS R5/R6 - approx. 100% x 100%
EOS R - approx. 88% x 100%
With Extender RF2x EOS R5/R6 - approx. 80% x 80%
EOS R - approx. 80% x 80%
Power Focus Yes, via rotation of Playback Ring
Lens Focus Preset switch set to OFF; Focus Mode switch set to "PF"
Two focus speeds, based on ring rotation angle
IS On-Off Image Stabilizer switch, on lens barrel
Optical Image Stabilization Provided
4 stops correction (CIPA standard) with both EOS R and R5
IS Mode Selection IS Modes 1, 2 and 3 (via switch on lens barrel)
Mode 1 - general shake correction
Mode 2 - correction during panning
Mode 3 - correction only during exposure
Panning Mode Support (SCN Mode) Supported
Control Ring Dual-function Manual focus ring / Control Ring (selected using camera menu)
Manual Focus Ring Electronic ring system
Full-time Manual focus possible
No physical limit to ring rotational angle
AF/MF Switch YES - AF/PF/MF Switch
MF/Control Ring Switch None - must be selected in camera menu
Distance Scale None
Distance scale available in EVF or Live View LCD screen of compatible EOS R-series cameras
Distance Limiter Switch FULL (2.6 m to infinity) / 2.6 m to 20 m / 20 m to infinity
Focus Pre-set Function Yes, via Playback Ring on lens barrel
Off - On - On with beep tone, via lens switch
Distance memorized via Focus Preset button
Two distances can be memorized; immediate return to either via direction of Playback Ring
Lens Function Buttons (AF-Stop Buttons) Yes; four positioned on lens barrel
Dust / Weather Resistant Construction Yes - rubber ring on lens mount
Maximum Outer Diameter x Length Approx. ο6.4 in. x 17.0 in. (ο163.0mm x 432mm)
Weight Approx. 110.8 oz. / 6.9 lb. / 3140g
Lens Hood Canon Lens Hood (long) ET-155 (Bundled)
Canon Lens Hood (short) ET-155B (Sold Separately)
Lens Cap Canon E-180E (Bundled)
Dust Cap Canon Lens Dust Cap RF (Bundled)
Lens Case Canon Lens Soft Case LS600 (Bundled)
Extension Tubes None (No Canon RF mount extension tubes)
Close-up Lenses 250D / 500D Not compatible
Drop-in Filters Compatible - 52mm Drop-in Filter Holder 52 (WIII) Included
Accepts 52mm screw-in filters
Canon 52mm clear Protect Filter included


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