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Canon RF 20-50mm F4L IS USM PZ vs Canon RF 24–105mm F4L IS USM

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

Better figure, where one is clearly better

CanonRF 20-50mm F4L IS USM PZCanonRF 24–105mm F4L IS USM
Overview
ReleasedJune 2026October 2018
Optics
Lens typeZoomZoom
Focal length20–50 mm24–105 mm
Maximum aperturef/4f/4
Minimum aperturef/22f/22
Optical construction13 elements in 11 groups18 elements in 14 groups
Special elementsTwo glass-moulded aspherical and three UD elementsThree glass-moulded aspherical elements and one UD element
CoatingsASC and Super Spectra; fluorine coating on the front elementASC and Super Spectra anti-reflection coatings; fluorine coatings on front and rearmost surfaces
Aperture detailConstant maximum f/4, minimum f/22 throughout the range–
DiaphragmNine aperture bladesNine blades with circular aperture
Angle of viewHorizontal 84°–40°, vertical 62°–27° and diagonal 94°–46° on full frameFull-frame horizontal 74°–19°20′, vertical 53°–13° and diagonal 84°–23°20′
Mount and compatibility
MountsCanon RFCanon RF
Image circleFull frameFull frame
CompatibilityCanon EOS R cameras; full-frame image circle; power-zoom control from camera body or remote devices depends on compatible model and firmwareCanon EOS R cameras; full-frame image circle. RF optical model distinct from EF24–105mmF4L generations and RF24–105mmF4–7.1STM
Teleconverter supportCanon RF extenders not compatibleCanon RF extenders not compatible; UK maker also lists EF12 II/EF25 II extension tubes incompatible
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.24 m0.45 m
Maximum magnification0.33×0.24×
Optical stabilisationYesYes
Autofocus detailNano USM autofocus; full-time manual focus; maker rear-focus design retains length during focusingNano USM autofocus; electronic manual focus
Focus distance detail–Maker minimum focus distance 0.45 m; published AF/MF distinction absent and omitted
Magnification detailMaker maximum magnification 0.14× at 20 mm or 0.33× at 50 mm; no AF/MF mode specified in the tableMaker maximum magnification 0.24×; no unpublished AF/MF distinction inferred
Stabilisation detailMaker six-stop optical IS or combined camera/lens eight stops at centre and corners under CIPA-2024, at maximum focal length with its specified camera; not guaranteed in every shooting setupLens 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
Video featuresInternal multi-speed power zoom and optically suppressed focus breathing; zoom ring switches between powered and conventional manual operationNano USM supports smooth movie autofocus; maker describes combined lens optical and camera electronic video IS separately from lens-only rating
Design
Dust and moisture resistantYesYes
Filter diameter67 mm77 mm
Maximum diameter79.9 mm83.5 mm
Length98.4 mm107.3 mm
Weight420 g700 g
ControlsCustomisable control ring, focus ring and zoom ring; PZ/MZ selector, custom button, AF/MF and stabiliser switches (Digital Camera World; ePHOTOzine)Zoom and focus rings, customisable lens control ring and zoom transport lock; OpticalLimits found no creeping during its test
Zoom designInternal zoom/focus keeps barrel length fixed; ePHOTOzine describes conventional mechanical manual zoom, while Digital Camera World's prose calls it fly-by-wire; no silent choice between those reviewer descriptionsExtending zoom barrel; maker physical dimensions measured retracted
Filter detail67 mm front screw-in filter thread77 mm front filter thread
Weather resistanceDust and moisture resistant with mount gasket; maker warns camera attachment is required and protection cannot prevent all dust or water ingress; no waterproof/IP rating inferredDust and moisture resistant construction, requiring attachment to a camera; cannot completely prevent dust/water ingress and is not waterproof
Dimensions detailApproximately 79.9 mm maximum diameter × 98.4 mm lengthApproximately83.5mm maximum diameter ×107.3mm length in retracted state
Weight detailApproximately 420 g lensApproximately700g lens
Lens hoodES-73B; maker lists E-67 II cap, Lens Dust Cap RF and LP1219 pouch as accessoriesEW-83N
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 detailCanon Japan's 11 June 2026 notice confirms first sale from 26 June 2026, resolving the earlier late-June launch wordingCanon 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

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