Canon EF 28mm f/1.8 USM vs Canon RF 24mm F1.8 MACRO IS STM

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EF 28mm f/1.8 USM compared with RF 24mm F1.8 MACRO IS STM

	CanonEF 28mm f/1.8 USM	CanonRF 24mm F1.8 MACRO IS STM
Overview
Released
Released	September 1995	August 2022
Optics
Lens type
Lens type	Prime	Prime
Focal length
Focal length	28 mm	24 mm
Maximum aperture
Maximum aperture	f/1.8	f/1.8
Minimum aperture
Minimum aperture	f/22	f/22
Macro lens
Macro lens	–	Yes
Optical construction
Optical construction	Ten elements in nine groups	11 elements in nine groups
Special elements
Special elements	Aspherical lens element	One plastic-moulded aspherical and one UD element; Super Spectra coating; no fluorine coating
Diaphragm
Diaphragm	Seven blades	Nine blades, circular aperture
Angle of view
Angle of view	75° diagonal, 65° horizontal and 46° vertical	–
Mount and compatibility
Mounts
Mounts	Canon EF	Canon RF
Image circle
Image circle	Full frame	Full frame
Compatibility
Compatibility	Canon EF cameras with full-frame or APS-C sensors	Full-frame Canon RF mount; compatible with APS-C EOS R bodies; RF extenders not compatible
Adaptor support
Adaptor support	EF12 II extension tube gives 0.61–0.43× magnification; EF25 II gives 1.13–0.96×	–
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	0.25 m	0.14 m
Maximum magnification
Maximum magnification	0.18×	0.5×
Optical stabilisation
Optical stabilisation	–	Yes
Autofocus detail
Autofocus detail	USM autofocus with mechanical full-time manual focusing. Canon's manual specifies turning the ring with the shutter half-pressed after One Shot AF	STM autofocus and electronic manual focusing; inner barrel extends towards closer focus
Magnification detail
Magnification detail	–	Half-life-size 0.5× maximum reproduction, not 1:1
Stabilisation detail
Stabilisation detail	–	Optical IS rated five stops with EOS R under CIPA, yaw/pitch; coordinated IS rated 6.5 stops with EOS R5 under CIPA, yaw/pitch
Focus distance detail
Focus distance detail	Physical length remains constant and the front element does not rotate according to Photozone	–
Design
Dust and moisture resistant
Dust and moisture resistant	–	No
Filter diameter
Filter diameter	58 mm	52 mm
Maximum diameter
Maximum diameter	73.6 mm	74.4 mm
Length
Length	55.6 mm	63.1 mm
Weight
Weight	310 g	270 g (better)
Controls
Controls	AF/MF switch, focus ring, distance window, depth-of-field scale and infrared focus index	Separate focus and customisable control rings, AF/MF switch and IS on/off switch
Weather resistance
Weather resistance	–	No dust or moisture resistance
Dimensions detail
Dimensions detail	Maximum diameter × length in retracted state; dimensions and 310 g weight are lens-only. Front and rear caps add 21.5 mm according to Canon's manual	Approximately 74.4 mm maximum diameter × 63.1 mm length, retracted
Weight detail
Weight detail	–	Approximately 270 g lens
Lens hood
Lens hood	Optional EW-63 II petal hood; reversible for storage according to Canon's manual	EW-65B hood and LP1016 pouch, sold separately
In the box
In the box	–	Lens, E-52 II front cap, RF lens dust cap and user manual
Release detail
Release detail	Canon Camera Museum records September 1995 marketing; no first-sale day is given	August 2022 marketed month in Canon Camera Museum