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Canon RF 24-105mm F2.8 L IS USM Z 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 24-105mm F2.8 L IS USM ZCanonRF 85mm F1.4L VCM
Overview
ReleasedNovember 2023September 2025
Optics
Lens typeZoomPrime
Focal length24–105 mm85 mm
Maximum aperturef/2.8f/1.4
Minimum aperturef/22f/16
Optical construction23 elements in 18 groups14 elements in 10 groups
Special elementsThree aspherical and four UD elementsOne UD and one glass-moulded aspherical element
CoatingsAir Sphere Coating; fluorine front-element coatingASC 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)
Diaphragm11 blades11 circular aperture blades
Angle of viewDiagonal 84°–23°20′; horizontal 74°–19°20′; vertical 53°–13°24° horizontal, 16° vertical and 28°30′ diagonal on full frame
Mount and compatibility
MountsCanon RFCanon RF
Image circle–Full frame
CompatibilityCanon RF mount; Digital Camera World identifies full-frame coverageCanon 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 distance0.45 m0.75 m
Maximum magnification0.29×0.12×
Optical stabilisationYesNo
Autofocus detailTwo Nano USM motors and floating-focus systemVoice Coil Motor autofocus; electronic manual focus; maker notes movement/noise in unpowered internal VCM components is normal
Focus distance detailMinimum focusing distance 0.45 m throughout the zoom range–
Magnification detailMaximum 0.08× at 24 mm or 0.29× at 105 mm; Digital Camera World's table incorrectly prints 0.8× at 24 mm, so the maker's 0.08× is retained–
Stabilisation detailMaker 5.5 stops on EOS R at 105 mm, CIPA yaw/pitch; coordinated lens/body stabilisation up to 8 stops on EOS R3 at 105 mm under the same test directionsNo 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 featuresFocus-breathing suppression; optional PZ-E2 power-zoom adapter is separate and required for powered zoomOptically 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 diameter82 mm67 mm
Maximum diameter88.5 mm76.5 mm
Length199 mm99.3 mm
Weight1,330 g636 g
ControlsIris ring and two customisable lens-function buttons; three IS modes for stationary subjects, panning or unpredictable movementCustomisable 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 designFixed-length internal zoom–
Weather resistanceDust- and drip-resistant construction; no published IP ratingDust 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 detail–Approximately 76.5 mm maximum diameter × 99.3 mm length
Weight detailCanon Camera Museum gives approximately 1330 g; Canon Asia lists 1430 g without stating the accessory basis, and Digital Camera World gives 1350 g. Museum figure used; no inferred accessory-excluded weightApproximately 636 g lens
Tripod mountDetachable without a special tool–
Lens hoodEW-88E includedET-73C; maker lists E-67 II cap, Lens Dust Cap RF and LP1219 pouch as accessories
In the boxLens Cap E-82 II, Lens Dust Cap RF, EW-88E hood and LZ1326 (B) bag on Canon Asia's page–
Release detailCanon Camera Museum records first marketing in November 2023; no precise retail day inferredCanon Japan specifies first sale on 27 September 2025; no UK first-sale day inferred

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