Canon RF 24–105mm F4L IS USM vs Canon RF 85mm F1.4L VCM

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RF 24–105mm F4L IS USM compared with RF 85mm F1.4L VCM

	CanonRF 24–105mm F4L IS USM	CanonRF 85mm F1.4L VCM
Overview
Released
Released	October 2018	September 2025
Optics
Lens type
Lens type	Zoom	Prime
Focal length
Focal length	24–105 mm	85 mm
Maximum aperture
Maximum aperture	f/4	f/1.4
Minimum aperture
Minimum aperture	f/22	f/16
Optical construction
Optical construction	18 elements in 14 groups	14 elements in 10 groups
Special elements
Special elements	Three glass-moulded aspherical elements and one UD element	One UD and one glass-moulded aspherical element
Coatings
Coatings	ASC and Super Spectra anti-reflection coatings; fluorine coatings on front and rearmost surfaces	ASC and Super Spectra; fluorine coating on the front element
Aperture detail
Aperture detail	–	f/1.4–16 with stepless iris ring; no click-stop option (Amateur Photographer)
Diaphragm
Diaphragm	Nine blades with circular aperture	11 circular aperture blades
Angle of view
Angle of view	Full-frame horizontal 74°–19°20′, vertical 53°–13° and diagonal 84°–23°20′	24° horizontal, 16° vertical and 28°30′ diagonal on full frame
Mount and compatibility
Mounts
Mounts	Canon RF	Canon RF
Image circle
Image circle	Full frame	Full frame
Compatibility
Compatibility	Canon EOS R cameras; full-frame image circle. RF optical model distinct from EF24–105mmF4L generations and RF24–105mmF4–7.1STM	Canon EOS R cameras; full-frame image circle; stills iris-ring support is body/firmware dependent
Teleconverter support
Teleconverter support	Canon RF extenders not compatible; UK maker also lists EF12 II/EF25 II extension tubes incompatible	Canon RF extenders not compatible
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	0.45 m	0.75 m
Maximum magnification
Maximum magnification	0.24×	0.12×
Optical stabilisation
Optical stabilisation	Yes	No
Autofocus detail
Autofocus detail	Nano USM autofocus; electronic manual focus	Voice Coil Motor autofocus; electronic manual focus; maker notes movement/noise in unpowered internal VCM components is normal
Focus distance detail
Focus distance detail	Maker minimum focus distance 0.45 m; published AF/MF distinction absent and omitted	–
Magnification detail
Magnification detail	Maker maximum magnification 0.24×; no unpublished AF/MF distinction inferred	–
Stabilisation detail
Stabilisation detail	Lens optical IS rated five stops, CIPA with EOS R at105mm in Canon Camera Museum; OpticalLimits obtained about3.5–4stops in its electronic-shutter test, a separate measured result	No 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
Video features	Nano USM supports smooth movie autofocus; maker describes combined lens optical and camera electronic video IS separately from lens-only rating	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 resistant
Dust and moisture resistant	Yes	Yes
Filter diameter
Filter diameter	77 mm	67 mm
Maximum diameter
Maximum diameter	83.5 mm	76.5 mm
Length
Length	107.3 mm	99.3 mm
Weight
Weight	700 g	636 g (better)
Controls
Controls	Zoom and focus rings, customisable lens control ring and zoom transport lock; OpticalLimits found no creeping during its test	Customisable control ring, focus ring, iris ring with Auto-position lock, function button and AF/MF switch (Amateur Photographer)
Zoom design
Zoom design	Extending zoom barrel; maker physical dimensions measured retracted	–
Filter detail
Filter detail	77 mm front filter thread	67 mm front screw-in filter thread; compatible Canon 67 mm Protect and PL-C B circular polarising filters
Weather resistance
Weather resistance	Dust and moisture resistant construction, requiring attachment to a camera; cannot completely prevent dust/water ingress and is not waterproof	Dust 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
Dimensions detail	Approximately83.5mm maximum diameter ×107.3mm length in retracted state	Approximately 76.5 mm maximum diameter × 99.3 mm length
Weight detail
Weight detail	Approximately700g lens	Approximately 636 g lens
Lens hood
Lens hood	EW-83N	ET-73C; maker lists E-67 II cap, Lens Dust Cap RF and LP1219 pouch as accessories
In the box
In the box	UK maker store lists lens, E-77 II cap, Lens Dust Cap RF, EW-83N hood, LP1319 case and user manual	–
Release detail
Release detail	Canon Japan FAQ gives first sale 25 October 2018, consistent with Camera Museum marketed month; no exact UK on-sale day inferred. Maker Japan offers a control-ring de-click service, so the launch DCW statement that it cannot be de-clicked is not treated as current service availability. Co-sold RF standard zooms are alternatives, not inferred successor links	Canon Japan specifies first sale on 27 September 2025; no UK first-sale day inferred