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Canon RF 15–30mm F4.5–6.3 IS STM vs Canon RF 85mm F1.4L VCM

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

Better figure, where one is clearly better

CanonRF 15–30mm F4.5–6.3 IS STMCanonRF 85mm F1.4L VCM
Overview
ReleasedAugust 2022September 2025
Optics
Lens typeZoomPrime
Focal length15–30 mm85 mm
Maximum aperturef/4.5–6.3f/1.4
Minimum aperturef/22–32f/16
Optical construction13 elements in 11 groups14 elements in 10 groups
Special elementsOne plastic-moulded aspherical and two UD 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 15 mm and f/32 at 30 mmf/1.4–16 with stepless iris ring; no click-stop option (Amateur Photographer)
DiaphragmSeven blades11 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 distance0.128 m (manual focus)0.75 m
Maximum magnification0.52× (manual focus)0.12×
Optical stabilisationYesNo
Autofocus detailSTM autofocus and electronic manual focusingVoice Coil Motor autofocus; electronic manual focus; maker notes movement/noise in unpowered internal VCM components is normal
Focus distance detailAutofocus minimum 0.28 m across the zoom range; manual-focus minimum 0.128 m at 15 mm and 0.28 m at 20–30 mm–
Magnification detailAutofocus maximum 0.09× at 15 mm, 0.11× at 20 mm and 0.16× at 30 mm; manual-focus maximum 0.52× at 15 mm, 0.11× at 20 mm and 0.16× at 30 mm–
Stabilisation detailOptical IS rated 5.5 stops with EOS R at 30 mm under CIPA, yaw/pitch; coordinated IS rated seven stops with EOS R5 at 30 mm 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 diameter67 mm67 mm
Maximum diameter76.6 mm76.5 mm
Length88.4 mm99.3 mm
Weight390 g636 g
ControlsCombined focus/control ring with 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 designBarrel extends towards the 15 mm setting–
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 76.6 mm maximum diameter × 88.4 mm length, retractedApproximately 76.5 mm maximum diameter × 99.3 mm length
Weight detailApproximately 390 g lensApproximately 636 g lens
Lens hoodEW-73E hood and LP1116 pouch, sold separatelyET-73C; maker lists E-67 II cap, Lens Dust Cap RF and LP1219 pouch as accessories
In the boxLens, E-67 II front cap, RF lens dust cap and user manual–
Release detailAugust 2022 marketed month in Canon Camera MuseumCanon Japan specifies first sale on 27 September 2025; no UK first-sale day inferred

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