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Canon EF 24mm f/1.4L II USM vs Canon RF 24mm F1.4 L VCM

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

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CanonEF 24mm f/1.4L II USMCanonRF 24mm F1.4 L VCM
Overview
ReleasedDecember 2008December 2024
Optics
Lens typePrimePrime
Focal length24 mm24 mm
Maximum aperturef/1.4f/1.4
Minimum aperturef/22f/16
Optical constructionThirteen elements in ten groupsFifteen elements in eleven groups
Special elementsTwo glass-moulded aspherical elements and two UD elements according to Canon Camera MuseumTwo UD and one glass-moulded aspherical element; ASC, SWC and Super Spectra coatings; front fluorine coating
CoatingsSubwavelength Structure Coating to reduce ghosting and flare from light entering at acute angles–
DiaphragmEight-blade circular apertureEleven blades with circular aperture
Angle of view84° diagonal, 74° horizontal and 53° vertical according to Canon's manual–
Mount and compatibility
MountsCanon EFCanon RF
Image circleFull frameFull frame
CompatibilityFull-frame and APS-C Canon EF DSLR cameras according to Canon UKCanon RF mount for full-frame and APS-C EOS R cameras; RF extenders not compatible. Iris ring provides movie aperture control; Canon lists EOS R, RP, Ra, R3, R5, R6, R6 Mark II, R7, R8, R10, R50, R100 and R5 C as unable to set still-photo aperture with this ring even with their latest firmware
Teleconverter supportCanon EF1.4X II and EF2X II cannot be used according to Canon's manual–
Adaptor supportEOS M compatibility with the EF-EOS M mount adaptor according to Canon UK–
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.25 m0.24 m
Maximum magnification0.17×0.17×
Optical stabilisationNoNo
Autofocus detailRing USM; manual adjustment after One-Shot AF with the shutter held halfway according to Canon's manualElectronic floating focus control combines VCM and Nano USM motors
Focus distance detailInternal focusing with constant physical length and non-rotating filter according to Photozone and ePHOTOzineMinimum focus 0.24 m
Magnification detail0.17× native; 0.67–0.50× with Extension Tube EF12 II. EF25 II cannot be used; manual focus recommended with the tube according to Canon's manualMaximum 0.17×
Stabilisation detailNo optical stabilisation according to ePHOTOzine's exact-model specification tableNo optical stabiliser; in-body stabilisation depends on the camera (Space.com)
Design
Dust and moisture resistantYesYes
Filter diameter77 mm67 mm
Maximum diameter83.5 mm76.5 mm
Length86.9 mm99.3 mm
Weight650 g515 g
ControlsAF/MF switch, focus ring, distance window, depth-of-field scale and infrared focus indexElectronic manual-focus, customisable control and smooth-action iris rings; iris Auto-position lock; customisable lens function button; AF/MF switch
Weather resistanceDust- and drip-resistant seal structure and rubber lens-mount ring according to Canon's manualDust and moisture resistant construction with mount rubber seal
Dimensions detail83.5 mm maximum diameter × 86.9 mm length; dimensions and 650 g weight are lens-only. Front and rear caps add 21.5 mm according to Canon's manualApproximately 76.5 mm maximum diameter × 99.3 mm length
Weight detail–Approximately 515 g lens
Lens hoodSupplied reversible EW-83K petal hoodEW-73G hood included
In the boxLens, E-77II/E-77U front cap, Lens Dust Cap E, EW-83K hood, LP1319 case and user manual according to Canon UK's box listLens, E-67 II front cap, RF dust cap, EW-73G hood, LP1219 case, rear gel-filter holder and user manual
Release detailCanon Camera Museum records December 2008 marketing and explicitly identifies the December 1997 EF 24mm f/1.4L USM as its predecessorDecember 2024 marketed month in Canon Camera Museum

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