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Canon RF 200–800mm F6.3–9 IS USM vs Canon RF 75–300mm F4–5.6

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

CanonRF 200–800mm F6.3–9 IS USMCanonRF 75–300mm F4–5.6
Overview
ReleasedDecember 2023May 2025
Optics
Lens typeZoomZoom
Focal length200–800 mm75–300 mm
Maximum aperturef/6.3–9f/4–5.6
Minimum aperturef/32–54f/32–45
Optical constructionSeventeen elements in eleven groupsThirteen elements in nine groups; Canon states the optical design is adapted from the EF 75–300mm F4–5.6 III
Special elementsThree UD elements–
CoatingsSuper Spectra coating; no fluorine coatingSuper Spectra; no fluorine coating
Aperture detailMaximum f/6.3 at 200 mm and f/9 at 800 mm; minimum f/32–54 in the current UK specification. Canon Camera Museum instead lists f/51 at 800 mmMaximum f/4 at 75 mm and f/5.6 at 300 mm; minimum f/32 and f/45 respectively
DiaphragmNine aperture bladesSeven blades
Angle of view12°–3°05′ diagonal, 10°–2°35′ horizontal and 7°–1°40′ verticalFull-frame diagonal 32°11′–8°15′; horizontal 27°–6°50′; vertical 18°11′–4°35′
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; 120–480 mm equivalent field of view on Canon APS-C
Teleconverter supportRF 1.4× gives 280–1120 mm at f/9–13, maximum 0.37×; RF 2× gives 400–1600 mm at f/13–18, maximum 0.54×. Autofocus and stabilisation supported throughout the zoom range; autofocus coverage depends on camera and extenderNot compatible with RF extenders (The-Digital-Picture)
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.8 m1.5 m
Maximum magnification0.25×0.25×
Optical stabilisationYesNo
Autofocus detailNano USM autofocus for fast stills focusing and smooth video transitionsDC motor autofocus; no full-time manual focus override (Digital Camera World)
Focus distance detailMinimum focus 0.8 m at 200 mm and 3.3 m at 800 mm1.5 m minimum focus; front element and focus ring rotate during focusing (Digital Camera World and The-Digital-Picture)
Magnification detailMaximum 0.25× at 200 mm and 0.2× at 800 mm0.06× at 75 mm and 0.25× at 300 mm
Stabilisation detailUp to 5.5 stops optical stabilisation with EOS R at 800 mm, or 5.5 stops coordinated stabilisation with EOS R3 at 800 mm; CIPA yaw and pitch testing. Coordinated correction has greater effect towards the wide endNo lens optical stabilisation
Video features–Substantial focus breathing in The-Digital-Picture's test
Design
Dust and moisture resistantYes–
Filter diameter95 mm58 mm
Maximum diameter102.3 mm71.2 mm
Length314.1 mm146.1 mm
Weight2,060 g507 g
ControlsCombined focus/control ring, customisable lens function buttons, AF/MF and stabiliser switches, and smooth/tight zoom torque adjustmentManual focus and zoom rings, AF/MF switch; no custom control ring (The-Digital-Picture)
Zoom designBarrel extends when zooming towards 800 mmExtending zoom barrel; further extension and front rotation during focusing (Digital Camera World)
Filter detail–58 mm front thread rotates during focusing
Weather resistanceDust and moisture resistant construction; white exterior helps limit heating in sunlightCanon UK's table lists dust/moisture resistance, but Digital Camera World and The-Digital-Picture both report no weather sealing
Dimensions detail102.3 mm maximum diameter × 314.1 mm length with barrel retracted71.2 mm maximum diameter × 146.1 mm retracted length
Weight detailApproximately 2060 g current production; products manufactured before July 2026 weigh 2050 g. Canon's Japanese notice attributes the change to revised component specificationsApproximately 507 g lens
Tripod mountAttached rotating tripod collar; not removable or Arca-Swiss compatible (Amateur Photographer)–
Lens hoodET-101 hood includedOptional ET-60 hood, not included
In the boxLens, E-95 cap, ET-101 hood, RF dust cap, Lens Strap 40 and user manualLens, E-58 II lens cap, RF dust cap and user manual
Release detailDecember 2023 release confirmed retrospectively by Canon's February 2024 global announcement; Japan's launch notice states early December and the US announcement expected December. Canon Camera Museum instead labels November 2023 as marketedMay 2025 release confirmed retrospectively by Canon's February 2026 press release and Canon Camera Museum

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