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Canon RF 1200mm F8L IS USM vs Canon RF 800mm F5.6L IS USM

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CanonRF 1200mm F8L IS USMCanonRF 800mm F5.6L IS USM
Overview
ReleasedMay 2022May 2022
Optics
Lens typePrimePrime
Focal length1,200 mm800 mm
Maximum aperturef/8f/5.6
Minimum aperturef/64f/64
Optical constructionTwenty-six elements in eighteen groupsTwenty-six elements in eighteen groups
Special elementsTwo fluorite elements, one Super UD and one UD elementTwo fluorite elements, one Super UD and one UD element
CoatingsSuper Spectra and ASC; fluorine coating on the front elementSuper Spectra and ASC; fluorine coating on the front element
Aperture detailMaximum f/8; minimum f/64Maximum f/5.6; minimum f/64
DiaphragmNine circular bladesNine circular blades
Angle of viewFull-frame diagonal 2°05′; horizontal 1°45′; vertical 1°10′Full-frame diagonal 3°05′; horizontal 2°35′; vertical 1°40′
Mount and compatibility
MountsCanon RFCanon RF
Image circleFull frameFull frame
CompatibilityCanon RF mount for full-frame and APS-C EOS R camerasCanon RF mount for full-frame and APS-C EOS R cameras
Teleconverter supportRF 1.4× gives 1680 mm f/11 with 0.41× magnification; RF 2× gives 2400 mm f/16 with 0.60×; AF and IS operate with either extenderRF 1.4× gives 1120 mm f/8 with 0.49× magnification; RF 2× gives 1600 mm f/11 with 0.71×; AF and IS operate with either extender
Focus and stabilisation
AutofocusYesYes
Minimum focus distance4.3 m2.6 m
Maximum magnification0.29×0.34×
Optical stabilisationYesYes
Autofocus detailRing-type USM; electronic full-time manual focus requires compatible body settings; original EOS R, RP and Ra are unsupported, and R5/R6 require firmware 1.3.0 or laterRing-type USM; electronic full-time manual focus requires compatible body settings; original EOS R, RP and Ra are unsupported, and R5/R6 require firmware 1.3.0 or later
Focus distance detail4.3 m minimum focus; full range, 4.3–30 m and 30 m–infinity limiter settings; three manual-focus speeds and two stored focus presets2.6 m minimum focus; full range, 2.6–20 m and 20 m–infinity limiter settings; three manual-focus speeds and two stored focus presets
Magnification detail0.29× maximum magnification; approximately 241 × 161 mm subject fills a full-frame image at minimum focus0.34× maximum magnification; approximately 206 × 138 mm subject fills a full-frame image at minimum focus
Stabilisation detailFour-stop optical IS with EOS R, R5 or R3 under CIPA yaw/pitch conditions; modes 1, 2 and 3Canon UK and Japan rate optical IS at 4.5 stops with EOS R, R5 or R3 under CIPA yaw/pitch conditions; modes 1, 2 and 3
Video featuresAperture control in 1/8-stop increments; power-focus mode with two speeds selected by playback-ring rotationAperture control in 1/8-stop increments; power-focus mode with two speeds selected by playback-ring rotation
Design
Dust and moisture resistantYesYes
Filter diameter52 mm52 mm
Maximum diameter168 mm163 mm
Length537 mm432 mm
Weight3,340 g3,140 g
ControlsFocus and playback rings, AF/PF/MF selector, focus-speed and preset switches, and four lens-function buttonsFocus and playback rings, AF/PF/MF selector, focus-speed and preset switches, and four lens-function buttons
Filter detail52 mm drop-in screw-type holder 52 (WIII), supplied with a clear Protect filter; compatible with optional drop-in polariser and gelatin holder52 mm drop-in screw-type holder 52 (WIII), supplied with a clear Protect filter; compatible with optional drop-in polariser and gelatin holder
Weather resistanceDust- and moisture-resistant construction with heat-reflective paintDust- and moisture-resistant construction with heat-reflective paint
Dimensions detail168 mm maximum diameter × 537 mm length163 mm maximum diameter × 432 mm length
Weight detailApproximately 3,340 g excluding the tripod collar; Canon Japan states the collar weighs approximately 160 gApproximately 3,140 g lens
Tripod mountSupplied tripod collar and support footSupplied tripod collar and support foot
Lens hoodET-160 (WIII) included; shorter ET-160B optionalET-155 (WIII) included; shorter ET-155B optional
In the boxLens, drop-in screw-type filter holder 52 (WIII) with 52 mm Protect filter, E-185C cap, RF dust cap, ET-160 (WIII) hood, LS1200 soft case, Lens Wide Strap B and user manualLens, drop-in screw-type filter holder 52 (WIII) with 52 mm Protect filter, E-180E cap, RF dust cap, ET-155 (WIII) hood, LS600 soft case, Lens Wide Strap B and user manual
Release detailFirst sale in Japan on 26 May 2022, stated by Canon Japan support; the original announcement promised late MayFirst sale in Japan on 26 May 2022, stated by Canon Japan support; the original announcement promised late May

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