Canon EF 24mm f/2.8 IS USM vs Canon RF 24mm F1.4 L VCM

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EF 24mm f/2.8 IS USM compared with RF 24mm F1.4 L VCM

	CanonEF 24mm f/2.8 IS USM	CanonRF 24mm F1.4 L VCM
Overview
Released
Released	June 2012	December 2024
Optics
Lens type
Lens type	Prime	Prime
Focal length
Focal length	24 mm	24 mm
Maximum aperture
Maximum aperture	f/2.8	f/1.4
Minimum aperture
Minimum aperture	f/22	f/16
Optical construction
Optical construction	Eleven elements in nine groups	Fifteen elements in eleven groups
Special elements
Special elements	Glass-moulded aspherical element according to Canon Camera Museum	Two UD and one glass-moulded aspherical element; ASC, SWC and Super Spectra coatings; front fluorine coating
Coatings
Coatings	Super Spectra coating according to Canon UK	–
Diaphragm
Diaphragm	Seven-blade circular aperture	Eleven blades with circular aperture
Angle of view
Angle of view	84° diagonal, 74° horizontal and 53° vertical	–
Mount and compatibility
Mounts
Mounts	Canon EF	Canon RF
Image circle
Image circle	Full frame	Full frame
Compatibility
Compatibility	Full-frame and APS-C Canon EF DSLR cameras according to Canon UK	Canon 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
Adaptor support
Adaptor support	EOS M compatibility with the EF-EOS M mount adaptor according to Canon UK	–
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	0.2 m	0.24 m
Maximum magnification
Maximum magnification	0.23×	0.17×
Optical stabilisation
Optical stabilisation	Yes	No
Autofocus detail
Autofocus detail	Ring USM with full-time manual focus according to Canon UK's specification page; Canon Camera Museum instead describes micro USM	Electronic floating focus control combines VCM and Nano USM motors
Focus distance detail
Focus distance detail	Constant physical length and non-rotating filter during focusing according to Photozone	Minimum focus 0.24 m
Magnification detail
Magnification detail	0.23× native; 0.62–0.43× with Extension Tube EF12 II and 1.13–0.95× with EF25 II according to Canon UK	Maximum 0.17×
Stabilisation detail
Stabilisation detail	Four-stop optical stabilisation claimed by Canon UK	No optical stabiliser; in-body stabilisation depends on the camera (Space.com)
Design
Dust and moisture resistant
Dust and moisture resistant	No	Yes
Filter diameter
Filter diameter	58 mm	67 mm
Maximum diameter
Maximum diameter	68.4 mm	76.5 mm
Length
Length	55.7 mm	99.3 mm
Weight
Weight	280 g (better)	515 g
Controls
Controls	AF/MF and stabiliser switches, focus ring, distance window and depth-of-field scale	Electronic manual-focus, customisable control and smooth-action iris rings; iris Auto-position lock; customisable lens function button; AF/MF switch
Weather resistance
Weather resistance	No weather sealing according to both independent exact-model reviews	Dust and moisture resistant construction with mount rubber seal
Dimensions detail
Dimensions detail	68.4 mm maximum diameter × 55.7 mm length and 280 g according to Canon UK; dimensions in retracted state	Approximately 76.5 mm maximum diameter × 99.3 mm length
Weight detail
Weight detail	–	Approximately 515 g lens
Lens hood
Lens hood	Optional EW-65B; Canon UK's box list excludes a hood	EW-73G hood included
In the box
In the box	Lens, E-58U front cap, Lens Dust Cap E and user manual according to Canon UK	Lens, E-67 II front cap, RF dust cap, EW-73G hood, LP1219 case, rear gel-filter holder and user manual
Release detail
Release detail	Canon Camera Museum records June 2012 marketing and explicitly names the November 1988 EF 24mm f/2.8 as its predecessor	December 2024 marketed month in Canon Camera Museum