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Canon RF 70–200mm F4 L 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 70–200mm F4 L IS USMCanonRF 75–300mm F4–5.6
Overview
ReleasedMarch 2021May 2025
Optics
Lens typeZoomZoom
Focal length70–200 mm75–300 mm
Maximum aperturef/4f/4–5.6
Minimum aperturef/32f/32–45
Optical constructionSixteen elements in eleven groupsThirteen elements in nine groups; Canon states the optical design is adapted from the EF 75–300mm F4–5.6 III
Coatings–Super Spectra; no fluorine coating
Aperture detail–Maximum f/4 at 75 mm and f/5.6 at 300 mm; minimum f/32 and f/45 respectively
Special elementsFour UD elements; Air Sphere and fluorine coatings–
DiaphragmNine bladesSeven blades
Angle of view–Full-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 bodies; RF extenders not compatibleCanon RF mount for full-frame and APS-C EOS R cameras; 120–480 mm equivalent field of view on Canon APS-C
Teleconverter support–Not compatible with RF extenders (The-Digital-Picture)
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.6 m1.5 m
Maximum magnification0.28×0.25×
Optical stabilisationYesNo
Autofocus detailDual Nano USM drives focus and floating lens groups independently; electronic floating focus systemDC motor autofocus; no full-time manual focus override (Digital Camera World)
Focus distance detailMinimum focus 0.6 m throughout the zoom range1.5 m minimum focus; front element and focus ring rotate during focusing (Digital Camera World and The-Digital-Picture)
Magnification detailMaximum 0.28× at 200 mm0.06× at 75 mm and 0.25× at 300 mm
Stabilisation detailOptical IS rated five stops with EOS R at 200 mm under CIPA, yaw/pitch; coordinated IS rated 7.5 stops with EOS R5 at 200 mm under CIPA, yaw/pitchNo lens optical stabilisation
Video features–Substantial focus breathing in The-Digital-Picture's test
Design
Dust and moisture resistantYes–
Filter diameter77 mm58 mm
Maximum diameter83.5 mm71.2 mm
Length119 mm146.1 mm
Weight695 g507 g
ControlsZoom, electronic manual-focus and customisable control rings; focus limiter with full or 2.5 m–infinity range; AF/MF, IS on/off and three IS mode switches; zoom lock at 70 mmManual focus and zoom rings, AF/MF switch; no custom control ring (The-Digital-Picture)
Zoom designExtending barrel; 119 mm length at 70 mm; 176 mm extended at 200 mm (Cameralabs)Extending zoom barrel; further extension and front rotation during focusing (Digital Camera World)
Filter detail–58 mm front thread rotates during focusing
Weather resistanceDust and water resistant construction; Canon states this cannot completely prevent dust or droplets enteringCanon UK's table lists dust/moisture resistance, but Digital Camera World and The-Digital-Picture both report no weather sealing
Dimensions detailApproximately 83.5 mm maximum diameter × 119 mm length, retracted71.2 mm maximum diameter × 146.1 mm retracted length
Weight detailApproximately 695 g lensApproximately 507 g lens
Tripod mountNo tripod collar mount (Cameralabs)–
Lens hoodET-83G (WIII) hood includedOptional ET-60 hood, not included
In the boxLens, E-77 II front cap, RF dust cap, ET-83G (WIII) hood, LP1319 case and user manual kitLens, E-58 II lens cap, RF dust cap and user manual
Release detailMarch 2021 marketed month in Canon Camera Museum and Canon's global annual lens-release listMay 2025 release confirmed retrospectively by Canon's February 2026 press release and Canon Camera Museum

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