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Canon RF 24–105mm F4L IS USM vs Canon RF 24–240mm F4–6.3 IS USM

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

Better figure, where one is clearly better

CanonRF 24–105mm F4L IS USMCanonRF 24–240mm F4–6.3 IS USM
Overview
ReleasedOctober 2018September 2019
Optics
Lens typeZoomZoom
Focal length24–105 mm24–240 mm
Maximum aperturef/4f/4–6.3
Minimum aperturef/22f/22–36
Optical construction18 elements in 14 groups21 elements in 15 groups
Aperture detail–Minimum f/22 at 24 mm and f/36 at 240 mm in Canon Japan specifications; UK table lists 22–38 (36); clickless one-eighth-stop aperture control for movies
Special elementsThree glass-moulded aspherical elements and one UD element–
CoatingsASC and Super Spectra anti-reflection coatings; fluorine coatings on front and rearmost surfaces–
DiaphragmNine blades with circular apertureSeven blades, circular aperture
Angle of viewFull-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. RF optical model distinct from EF24–105mmF4L generations and RF24–105mmF4–7.1STMFull-frame Canon RF mount; compatible with APS-C EOS R bodies; RF extenders not compatible
Teleconverter supportCanon RF extenders not compatible; UK maker also lists EF12 II/EF25 II extension tubes incompatible–
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.45 m0.5 m
Maximum magnification0.24×0.26×
Optical stabilisationYesYes
Autofocus detailNano USM autofocus; electronic manual focusNano USM autofocus and electronic manual focusing
Focus distance detailMaker minimum focus distance 0.45 m; published AF/MF distinction absent and omittedMinimum 0.5 m at 24 mm, per Canon; 0.78 m at 240 mm reported by Cameralabs
Magnification detailMaker maximum magnification 0.24×; no unpublished AF/MF distinction inferredMaximum 0.26× at 240 mm
Stabilisation detailLens 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 resultOptical IS rated five stops with EOS R at 240 mm under CIPA; Dynamic IS for movies, reported by OpticalLimits
Video featuresNano USM supports smooth movie autofocus; maker describes combined lens optical and camera electronic video IS separately from lens-only rating–
Design
Dust and moisture resistantYesNo
Filter diameter77 mm72 mm
Maximum diameter83.5 mm80.4 mm
Length107.3 mm122.5 mm
Weight700 g750 g
ControlsZoom and focus rings, customisable lens control ring and zoom transport lock; OpticalLimits found no creeping during its testCombined focus/control ring with selector, zoom ring with lock at 24 mm and IS on/off switch
Zoom designExtending zoom barrel; maker physical dimensions measured retractedExtending two-section barrel; lockable zoom ring with 100° rotation
Filter detail77 mm front filter thread–
Weather resistanceDust and moisture resistant construction, requiring attachment to a camera; cannot completely prevent dust/water ingress and is not waterproofNo dust or moisture resistance
Dimensions detailApproximately83.5mm maximum diameter ×107.3mm length in retracted stateApproximately 80.4 mm maximum diameter × 122.5 mm length, retracted
Weight detailApproximately700g lensApproximately 750 g lens
Lens hoodEW-83NEW-78F hood and LP1219 pouch, neither bundled
In the boxUK maker store lists lens, E-77 II cap, Lens Dust Cap RF, EW-83N hood, LP1319 case and user manualLens, E-72 II front cap, RF lens dust cap and user manual kit
Release detailCanon 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 linksSeptember 2019 marketed month in Canon Camera Museum

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