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Canon EF 24–105mm f/3.5–5.6 IS STM vs Canon RF 24–105mm F4–7.1 IS STM

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

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CanonEF 24–105mm f/3.5–5.6 IS STMCanonRF 24–105mm F4–7.1 IS STM
Overview
ReleasedDecember 2014April 2020
Optics
Lens typeZoomZoom
Focal length24–105 mm24–105 mm
Maximum aperturef/3.5–5.6f/4–7.1
Minimum aperturef/22–36f/22–40
Optical constructionSeventeen elements in thirteen groups13 elements in 11 groups, per Japan maker specification and Canon Camera Museum
Special elementsAspherical and UD elementsAspherical element shown in Canon Camera Museum optical diagram
Aperture detailMinimum aperture f/22–36 with third-stop increments, or f/22–32 with half-stop increments, according to Canon's exact manual and Museum tableMinimum f/22 at 24 mm and f/40 at 105 mm
DiaphragmSeven blades with a circular apertureSeven blades, circular aperture
Angle of view84°–23°20′ diagonal, 74°–19°20′ horizontal and 53°–13° vertical–
Mount and compatibility
MountsCanon EFCanon RF
Image circleFull frameFull frame
CompatibilityCanon EF cameras with full-frame or APS-C sensorsCanon RF mount, full-frame image circle; RF extenders and EF extension tubes not compatible
Teleconverter supportCanon's manual excludes extenders–
Adaptor supportEF12 II gives 0.61–0.50× at 24 mm and 0.46–0.12× at 105 mm; EF25 II is incompatible at 24 mm and gives 0.67–0.27× at 105 mm–
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.4 m0.13 m (manual focus)
Maximum magnification0.3×0.5× (manual focus)
Optical stabilisationYesYes
Autofocus detailLead-screw STM autofocus with electronic manual focusing. One Shot AF permits manual adjustment with the shutter half-pressed; manual focusing is unavailable when the camera is off or the lens is asleepLead-screw STM, electronic manual focus; combined focus/control ring
Focus distance detailInternal focusing with a non-rotating filter thread according to ePHOTOzine. Canon instructs users to finish zooming before focusingAutofocus minimum 0.20 m at 24 mm or 0.34 m at 105 mm; manual-focus Centre Focus Macro minimum 0.13 m at 24 mm, approximately 2.5 cm from the lens front, with sharpness concentrated in the image centre
Magnification detail–Autofocus maximum 0.4× at 105 mm; manual-focus Centre Focus Macro maximum 0.5× at 24 mm, per Japan maker table and Camera Museum
Stabilisation detailFour-stop claim measured at 105 mm with the EOS-1D X under CIPA standards. The manual describes automatic correction for still subjects and panningOptical IS rated five stops at 105 mm on EOS R under CIPA; lens optical rating is distinct from any camera sensor stabilisation
Video featuresSmooth Movie Servo AF with compatible cameras; the original manual lists EOS 70D, 700D, 100D and 650D, plus EOS M/M2 with an EF-EOS M adaptor–
Design
Dust and moisture resistant–No
Filter diameter77 mm67 mm
Maximum diameter83.4 mm76.6 mm
Length104 mm88.8 mm
Weight525 g395 g
ControlsAF/MF and stabilisation switches, separate focus and zoom rings, and a zoom lock at 24 mmCombined focus/control ring, zoom ring and separate stabilisation switch; OpticalLimits notes manual/auto focus is selected through camera settings rather than an AF/MF lens switch
Zoom designExtending barrel with transport lock at the shortest positionExtending zoom barrel
Weather resistance–OpticalLimits and Cameralabs report no weather sealing
Dimensions detailMaximum diameter × length; size and 525 g weight are lens-only. Caps add 24.2 mm to length according to Canon's manualApproximately 76.6 mm maximum diameter ×88.8 mm length
Weight detail–Approximately 395 g lens
Lens hoodOptional EW-83M hood with release button; reversible for storageEW-73D, not bundled
Release detailCanon Camera Museum records December 2014 marketing; no first-sale day is givenApril 2020 marketed month in Canon Camera Museum

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