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

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EF 24mm f/1.4L USM compared with RF 24mm F1.4 L VCM

	CanonEF 24mm f/1.4L USM	CanonRF 24mm F1.4 L VCM
Overview
Released
Released	December 1997	December 2024
Optics
Lens type
Lens type	Prime	Prime
Focal length
Focal length	24 mm	24 mm
Maximum aperture
Maximum aperture	f/1.4	f/1.4
Minimum aperture
Minimum aperture	f/22	f/16
Optical construction
Optical construction	Eleven elements in nine groups; floating optical system	Fifteen elements in eleven groups
Special elements
Special elements	Ground and polished aspherical glass element and UD element according to Canon Camera Museum	Two UD and one glass-moulded aspherical element; ASC, SWC and Super Spectra coatings; front fluorine coating
Diaphragm
Diaphragm	Seven-blade circular aperture according to Canon Camera Museum	Eleven blades with circular aperture
Angle of view
Angle of view	84° diagonal, 74° horizontal and 53° vertical according to Canon's manual	–
Mount and compatibility
Mounts
Mounts	Canon EF	Canon RF
Image circle
Image circle	Full frame	Full frame
Compatibility
Compatibility	Canon EF full-frame and APS-C cameras	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
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	0.25 m	0.24 m
Maximum magnification
Maximum magnification	0.16×	0.17×
Optical stabilisation
Optical stabilisation	No	No
Autofocus detail
Autofocus detail	Ring USM with full-time manual focus; Canon's manual specifies One-Shot AF with the shutter button held halfway for manual adjustment after autofocus	Electronic floating focus control combines VCM and Nano USM motors
Focus distance detail
Focus distance detail	Rear focusing system with non-rotating filter frame according to Canon Camera Museum	Minimum focus 0.24 m
Magnification detail
Magnification detail	–	Maximum 0.17×
Stabilisation detail
Stabilisation detail	No optical stabilisation according to The Digital Picture's exact-model specification table	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	77 mm	67 mm
Maximum diameter
Maximum diameter	83.5 mm	76.5 mm
Length
Length	77.4 mm	99.3 mm
Weight
Weight	550 g	515 g (better)
Controls
Controls	AF/MF switch, focus ring, distance window and infrared focus index	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 The Digital Picture's exact-model specification table	Dust and moisture resistant construction with mount rubber seal
Dimensions detail
Dimensions detail	83.5 mm maximum diameter × 77.4 mm length; dimensions and 550 g weight are lens-only. Front and rear caps add 21.5 mm according to Canon's manual	Approximately 76.5 mm maximum diameter × 99.3 mm length
Weight detail
Weight detail	–	Approximately 515 g lens
Lens hood
Lens hood	Supplied reversible EW-83D II petal hood; LP1214 case according to Canon's manual and The Digital Picture	EW-73G hood included
In the box
In the box	–	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 December 1997 marketing; no first-sale day is given	December 2024 marketed month in Canon Camera Museum