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Canon RF 24–50mm F4.5–6.3 IS STM vs Canon RF 75–300mm F4–5.6

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

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CanonRF 24–50mm F4.5–6.3 IS STMCanonRF 75–300mm F4–5.6
Overview
ReleasedApril 2023May 2025
Optics
Lens typeZoomZoom
Focal length24–50 mm75–300 mm
Maximum aperturef/4.5–6.3f/4–5.6
Minimum aperturef/22–32f/32–45
Optical constructionEight elements in eight 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
Special elementsTwo plastic-moulded aspherical elements; Super Spectra coating; no fluorine coating–
Aperture detailMinimum f/22 at 24 mm and f/32 at 50 mmMaximum f/4 at 75 mm and f/5.6 at 300 mm; minimum f/32 and f/45 respectively
DiaphragmSeven blades, circular apertureSeven 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
CompatibilityFull-frame Canon RF mount; compatible with APS-C EOS R bodies; RF extenders and EF extension tubes 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 distance0.3 m1.5 m
Maximum magnification0.19×0.25×
Optical stabilisationYesNo
Autofocus detailLead-screw STM autofocusDC motor autofocus; no full-time manual focus override (Digital Camera World)
Focus distance detailMinimum 0.30 m at 24 mm and 0.35 m at 50 mm1.5 m minimum focus; front element and focus ring rotate during focusing (Digital Camera World and The-Digital-Picture)
Magnification detailMaximum 0.11× at 24 mm and 0.19× at 50 mm0.06× at 75 mm and 0.25× at 300 mm
Stabilisation detailOptical IS rated 4.5 stops on EOS R at 50 mm under CIPA, yaw/pitch; coordinated IS rated seven stops on EOS R5 at 50 mm in the UK specifications and on EOS R3 in Camera Museum, under CIPA, yaw/pitchNo lens optical stabilisation
Video features–Substantial focus breathing in The-Digital-Picture's test
Design
Dust and moisture resistantNo–
Filter diameter58 mm58 mm
Maximum diameter69.6 mm71.2 mm
Length58 mm146.1 mm
Weight210 g507 g
ControlsCombined focus/control ring with AF/Control/MF selector, zoom ring and IS on/off switchManual focus and zoom rings, AF/MF switch; no custom control ring (The-Digital-Picture)
Zoom designRetractable barrel; lens must be extended for shootingExtending zoom barrel; further extension and front rotation during focusing (Digital Camera World)
Filter detail–58 mm front thread rotates during focusing
Weather resistanceNo weather seals, reported by Dustin Abbott and Digital Camera WorldCanon UK's table lists dust/moisture resistance, but Digital Camera World and The-Digital-Picture both report no weather sealing
Dimensions detailApproximately 69.6 mm maximum diameter × 58 mm length, retracted71.2 mm maximum diameter × 146.1 mm retracted length
Weight detailApproximately 210 g lensApproximately 507 g lens
Lens hoodEW-63C hood and LP1014 pouch, neither bundledOptional ET-60 hood, not included
In the boxLens, E-58 II front cap, RF lens dust cap and user manualLens, E-58 II lens cap, RF dust cap and user manual
Release detailApril 2023 marketed month in Canon Camera MuseumMay 2025 release confirmed retrospectively by Canon's February 2026 press release and Canon Camera Museum

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