Canon EF 28mm f/2.8 IS USM vs Canon RF 24mm F1.8 MACRO IS STM

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

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EF 28mm f/2.8 IS USM compared with RF 24mm F1.8 MACRO IS STM
CanonEF 28mm f/2.8 IS USMCanonRF 24mm F1.8 MACRO IS STM
Overview
ReleasedJune 2012August 2022
Optics
Lens typePrimePrime
Focal length28 mm24 mm
Maximum aperturef/2.8f/1.8
Minimum aperturef/22f/22
Macro lens–Yes
Optical constructionNine elements in seven groups11 elements in nine groups
Special elementsGlass-moulded aspherical elementOne plastic-moulded aspherical and one UD element; Super Spectra coating; no fluorine coating
CoatingsSuper Spectra coating according to Canon UK–
DiaphragmSeven-blade circular aperture according to Canon Camera MuseumNine blades, circular aperture
Angle of view75° diagonal, 65° horizontal and 46° vertical–
Mount and compatibility
MountsCanon EFCanon RF
Image circleFull frameFull frame
CompatibilityCanon EF full-frame and APS-C cameras; EOS M requires EF-EOS M adapterFull-frame Canon RF mount; compatible with APS-C EOS R bodies; RF extenders not compatible
Teleconverter supportCanon extenders not compatible–
Adaptor supportExtension tube EF12 II gives 0.71–0.50× magnification; EF25 II gives 1.30–1.11×–
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.23 m0.14 m
Maximum magnification0.2×0.5×
Optical stabilisationYesYes
Autofocus detailRing USM with full-time manual focus according to Canon UK; Camera Museum describes micro USM insteadSTM autofocus and electronic manual focusing; inner barrel extends towards closer focus
Magnification detail–Half-life-size 0.5× maximum reproduction, not 1:1
Focus distance detailInternal focusing with a non-rotating front and constant physical length according to The Digital Picture–
Stabilisation detailMaker claim up to four stops; The Digital Picture and Photozone each report approximately three stops in their testsOptical IS rated five stops with EOS R under CIPA, yaw/pitch; coordinated IS rated 6.5 stops with EOS R5 under CIPA, yaw/pitch
Design
Dust and moisture resistantNoNo
Filter diameter58 mm52 mm
Maximum diameter68.4 mm74.4 mm
Length51.5 mm63.1 mm
Weight260 g (better)270 g
Controls–Separate focus and customisable control rings, AF/MF switch and IS on/off switch
Weather resistanceNo weather sealing according to The Digital Picture and PhotozoneNo dust or moisture resistance
Dimensions detailMaximum diameter × length in retracted stateApproximately 74.4 mm maximum diameter × 63.1 mm length, retracted
Weight detail–Approximately 270 g lens
Lens hoodOptional EW-65B; LP1014 pouch listed as an accessoryEW-65B hood and LP1016 pouch, sold separately
In the boxLens, E-58U front cap, Lens Dust Cap E and user manual according to Canon UKLens, E-52 II front cap, RF lens dust cap and user manual
Release detailCanon Camera Museum records June 2012 marketing and explicitly identifies the April 1987 EF 28mm f/2.8 as its predecessorAugust 2022 marketed month in Canon Camera Museum

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