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Canon RF 24–240mm F4–6.3 IS USM vs Canon RF 85mm F1.4L VCM

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

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CanonRF 24–240mm F4–6.3 IS USMCanonRF 85mm F1.4L VCM
Overview
ReleasedSeptember 2019September 2025
Optics
Lens typeZoomPrime
Focal length24–240 mm85 mm
Maximum aperturef/4–6.3f/1.4
Minimum aperturef/22–36f/16
Optical construction21 elements in 15 groups14 elements in 10 groups
Special elements–One 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/36 at 240 mm in Canon Japan specifications; UK table lists 22–38 (36); clickless one-eighth-stop aperture control for moviesf/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 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 distance0.5 m0.75 m
Maximum magnification0.26×0.12×
Optical stabilisationYesNo
Autofocus detailNano USM autofocus and electronic manual focusingVoice Coil Motor autofocus; electronic manual focus; maker notes movement/noise in unpowered internal VCM components is normal
Focus distance detailMinimum 0.5 m at 24 mm, per Canon; 0.78 m at 240 mm reported by Cameralabs–
Magnification detailMaximum 0.26× at 240 mm–
Stabilisation detailOptical IS rated five stops with EOS R at 240 mm under CIPA; Dynamic IS for movies, reported by OpticalLimitsNo 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 diameter72 mm67 mm
Maximum diameter80.4 mm76.5 mm
Length122.5 mm99.3 mm
Weight750 g636 g
ControlsCombined focus/control ring with selector, zoom ring with lock at 24 mm 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 designExtending two-section barrel; lockable zoom ring with 100° rotation–
Weather resistanceNo dust or moisture resistanceDust 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 80.4 mm maximum diameter × 122.5 mm length, retractedApproximately 76.5 mm maximum diameter × 99.3 mm length
Weight detailApproximately 750 g lensApproximately 636 g lens
Lens hoodEW-78F hood and LP1219 pouch, neither bundledET-73C; maker lists E-67 II cap, Lens Dust Cap RF and LP1219 pouch as accessories
In the boxLens, E-72 II front cap, RF lens dust cap and user manual kit–
Release detailSeptember 2019 marketed month in Canon Camera MuseumCanon Japan specifies first sale on 27 September 2025; no UK first-sale day inferred

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