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Canon EF 24mm f/1.4L II USM vs Canon EF 28mm f/2.8 IS USM

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

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CanonEF 24mm f/1.4L II USMCanonEF 28mm f/2.8 IS USM
Overview
ReleasedDecember 2008June 2012
Optics
Lens typePrimePrime
Focal length24 mm28 mm
Maximum aperturef/1.4f/2.8
Minimum aperturef/22f/22
Optical constructionThirteen elements in ten groupsNine elements in seven groups
Special elementsTwo glass-moulded aspherical elements and two UD elements according to Canon Camera MuseumGlass-moulded aspherical element
CoatingsSubwavelength Structure Coating to reduce ghosting and flare from light entering at acute anglesSuper Spectra coating according to Canon UK
DiaphragmEight-blade circular apertureSeven-blade circular aperture according to Canon Camera Museum
Angle of view84° diagonal, 74° horizontal and 53° vertical according to Canon's manual75° diagonal, 65° horizontal and 46° vertical
Mount and compatibility
MountsCanon EFCanon EF
Image circleFull frameFull frame
CompatibilityFull-frame and APS-C Canon EF DSLR cameras according to Canon UKCanon EF full-frame and APS-C cameras; EOS M requires EF-EOS M adapter
Teleconverter supportCanon EF1.4X II and EF2X II cannot be used according to Canon's manualCanon extenders not compatible
Adaptor supportEOS M compatibility with the EF-EOS M mount adaptor according to Canon UKExtension tube EF12 II gives 0.71–0.50× magnification; EF25 II gives 1.30–1.11×
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.25 m0.23 m
Maximum magnification0.17×0.2×
Optical stabilisationNoYes
Autofocus detailRing USM; manual adjustment after One-Shot AF with the shutter held halfway according to Canon's manualRing USM with full-time manual focus according to Canon UK; Camera Museum describes micro USM instead
Focus distance detailInternal focusing with constant physical length and non-rotating filter according to Photozone and ePHOTOzineInternal focusing with a non-rotating front and constant physical length according to The Digital Picture
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 manual–
Stabilisation detailNo optical stabilisation according to ePHOTOzine's exact-model specification tableMaker claim up to four stops; The Digital Picture and Photozone each report approximately three stops in their tests
Design
Dust and moisture resistantYesNo
Filter diameter77 mm58 mm
Maximum diameter83.5 mm68.4 mm
Length86.9 mm51.5 mm
Weight650 g260 g
ControlsAF/MF switch, focus ring, distance window, depth-of-field scale and infrared focus index–
Weather resistanceDust- and drip-resistant seal structure and rubber lens-mount ring according to Canon's manualNo weather sealing according to The Digital Picture and Photozone
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 manualMaximum diameter × length in retracted state
Lens hoodSupplied reversible EW-83K petal hoodOptional EW-65B; LP1014 pouch listed as an accessory
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-58U front cap, Lens Dust Cap E and user manual according to Canon UK
Release detailCanon Camera Museum records December 2008 marketing and explicitly identifies the December 1997 EF 24mm f/1.4L USM as its predecessorCanon Camera Museum records June 2012 marketing and explicitly identifies the April 1987 EF 28mm f/2.8 as its predecessor

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