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Canon RF 24–50mm F4.5–6.3 IS STM vs Canon RF 85mm F1.4L VCM

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CanonRF 24–50mm F4.5–6.3 IS STMCanonRF 85mm F1.4L VCM
Overview
ReleasedApril 2023September 2025
Optics
Lens typeZoomPrime
Focal length24–50 mm85 mm
Maximum aperturef/4.5–6.3f/1.4
Minimum aperturef/22–32f/16
Optical constructionEight elements in eight groups14 elements in 10 groups
Special elementsTwo plastic-moulded aspherical elements; Super Spectra coating; no fluorine coatingOne UD and one glass-moulded aspherical element
Coatings–ASC and Super Spectra; fluorine coating on the front element
Aperture detailMinimum f/22 at 24 mm and f/32 at 50 mmf/1.4–16 with stepless iris ring; no click-stop option (Amateur Photographer)
DiaphragmSeven blades, circular aperture11 circular aperture blades
Angle of view–24° horizontal, 16° vertical and 28°30′ diagonal on full frame
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 EOS R cameras; full-frame image circle; stills iris-ring support is body/firmware dependent
Teleconverter support–Canon RF extenders not compatible
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.3 m0.75 m
Maximum magnification0.19×0.12×
Optical stabilisationYesNo
Autofocus detailLead-screw STM autofocusVoice Coil Motor autofocus; electronic manual focus; maker notes movement/noise in unpowered internal VCM components is normal
Focus distance detailMinimum 0.30 m at 24 mm and 0.35 m at 50 mm–
Magnification detailMaximum 0.11× at 24 mm and 0.19× at 50 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 IS; maker separately lists camera IBIS CIPA-2024 performance of eight stops at the centre and seven at the corners under its camera/test conditions
Video features–Optically suppressed focus breathing and stepless iris control; UK maker footnote excludes stills iris-ring operation on EOS R/RP/Ra/R3/R5/R6/R6 Mark II/R7/R8/R10/R50/R100/R5 C even with current firmware
Design
Dust and moisture resistantNoYes
Filter diameter58 mm67 mm
Maximum diameter69.6 mm76.5 mm
Length58 mm99.3 mm
Weight210 g636 g
ControlsCombined focus/control ring with AF/Control/MF selector, zoom ring and IS on/off switchCustomisable control ring, focus ring, iris ring with Auto-position lock, function button and AF/MF switch (Amateur Photographer)
Filter detail–67 mm front screw-in filter thread; compatible Canon 67 mm Protect and PL-C B circular polarising filters
Zoom designRetractable barrel; lens must be extended for shooting–
Weather resistanceNo weather seals, reported by Dustin Abbott and Digital Camera WorldDust and moisture resistant with mount gasket; Canon states protection requires attachment to a camera and cannot prevent all dust or water ingress; no waterproof/IP rating inferred
Dimensions detailApproximately 69.6 mm maximum diameter × 58 mm length, retractedApproximately 76.5 mm maximum diameter × 99.3 mm length
Weight detailApproximately 210 g lensApproximately 636 g lens
Lens hoodEW-63C hood and LP1014 pouch, neither bundledET-73C; maker lists E-67 II cap, Lens Dust Cap RF and LP1219 pouch as accessories
In the boxLens, E-58 II front cap, RF lens dust cap and user manual–
Release detailApril 2023 marketed month in Canon Camera MuseumCanon Japan specifies first sale on 27 September 2025; no UK first-sale day inferred

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