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Canon RF 14–35mm F4 L IS USM 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 14–35mm F4 L IS USMCanonRF 85mm F1.4L VCM
Overview
ReleasedSeptember 2021September 2025
Optics
Lens typeZoomPrime
Focal length14–35 mm85 mm
Maximum aperturef/4f/1.4
Minimum aperturef/22f/16
Optical constructionSixteen elements in twelve groups14 elements in 10 groups
Special elementsTwo UD elements, one UD aspherical element and two glass-moulded aspherical elements; Super Spectra, SWC and ASC coatings; fluorine coating on the front surface of the front elementOne UD and one glass-moulded aspherical element
Coatings–ASC and Super Spectra; fluorine coating on the front element
Aperture detail–f/1.4–16 with stepless iris ring; no click-stop option (Amateur Photographer)
DiaphragmNine blades with 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 for full-frame and APS-C EOS R cameras; 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 distance0.2 m0.75 m
Maximum magnification0.38×0.12×
Optical stabilisationYesNo
Autofocus detailNano USM rear focusing system; full-time manual focus in One-Shot AFVoice Coil Motor autofocus; electronic manual focus; maker notes movement/noise in unpowered internal VCM components is normal
Focus distance detailMinimum focus 0.2 m throughout the zoom range–
Magnification detailMaximum 0.38× at 35 mm–
Stabilisation detailOptical IS rated 5.5 stops with EOS R at 35 mm under CIPA, yaw/pitch; coordinated IS rated seven stops with EOS R5 at 35 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 resistantYesYes
Filter diameter77 mm67 mm
Maximum diameter84.1 mm76.5 mm
Length99.8 mm99.3 mm
Weight540 g636 g
ControlsZoom, electronic manual-focus and customisable control rings; AF/MF and stabiliser on/off switches; automatic panning detectionCustomisable 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 both ends of the zoom range; minimum length near 22 mm; camera-side electronic distortion correction contributes to the compact optical design–
Weather resistanceWeather-resistant seals at the mount, switches, zoom ring, focus ring and control ringDust 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 84.1 mm maximum diameter × 99.8 mm minimum length near 22 mm; maximum length 107.9 mm at 35 mm (Canon USA specifications)Approximately 76.5 mm maximum diameter × 99.3 mm length
Weight detailApproximately 540 g lensApproximately 636 g lens
Lens hoodEW-83P petal hood includedET-73C; maker lists E-67 II cap, Lens Dust Cap RF and LP1219 pouch as accessories
In the boxLens, E-77 II front cap, RF dust cap, EW-83P hood, LP1219 soft case and user manual–
Release detailSeptember 2021 marketed month in Canon Camera MuseumCanon Japan specifies first sale on 27 September 2025; no UK first-sale day inferred

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