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Canon RF 24–105mm F4–7.1 IS STM vs Canon RF 85mm F1.4L VCM

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

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CanonRF 24–105mm F4–7.1 IS STMCanonRF 85mm F1.4L VCM
Overview
ReleasedApril 2020September 2025
Optics
Lens typeZoomPrime
Focal length24–105 mm85 mm
Maximum aperturef/4–7.1f/1.4
Minimum aperturef/22–40f/16
Optical construction13 elements in 11 groups, per Japan maker specification and Canon Camera Museum14 elements in 10 groups
Special elementsAspherical element shown in Canon Camera Museum optical diagramOne 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/40 at 105 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
CompatibilityCanon RF mount, full-frame image circle; 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 distance0.13 m (manual focus)0.75 m
Maximum magnification0.5× (manual focus)0.12×
Optical stabilisationYesNo
Autofocus detailLead-screw STM, electronic manual focus; combined focus/control ringVoice Coil Motor autofocus; electronic manual focus; maker notes movement/noise in unpowered internal VCM components is normal
Focus distance detailAutofocus minimum 0.20 m at 24 mm or 0.34 m at 105 mm; manual-focus Centre Focus Macro minimum 0.13 m at 24 mm, approximately 2.5 cm from the lens front, with sharpness concentrated in the image centre–
Magnification detailAutofocus maximum 0.4× at 105 mm; manual-focus Centre Focus Macro maximum 0.5× at 24 mm, per Japan maker table and Camera Museum–
Stabilisation detailOptical IS rated five stops at 105 mm on EOS R under CIPA; lens optical rating is distinct from any camera sensor stabilisationNo 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 diameter67 mm67 mm
Maximum diameter76.6 mm76.5 mm
Length88.8 mm99.3 mm
Weight395 g636 g
ControlsCombined focus/control ring, zoom ring and separate stabilisation switch; OpticalLimits notes manual/auto focus is selected through camera settings rather than an AF/MF lens 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 zoom barrel–
Weather resistanceOpticalLimits and Cameralabs report no weather sealingDust 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 76.6 mm maximum diameter ×88.8 mm lengthApproximately 76.5 mm maximum diameter × 99.3 mm length
Weight detailApproximately 395 g lensApproximately 636 g lens
Lens hoodEW-73D, not bundledET-73C; maker lists E-67 II cap, Lens Dust Cap RF and LP1219 pouch as accessories
Release detailApril 2020 marketed month in Canon Camera MuseumCanon Japan specifies first sale on 27 September 2025; no UK first-sale day inferred

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