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Canon EF 24–105mm f/4L IS II USM vs Canon EF 28mm f/2.8 IS USM

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

Better figure, where one is clearly better

CanonEF 24–105mm f/4L IS II USMCanonEF 28mm f/2.8 IS USM
Overview
Released2016June 2012
Optics
Lens typeZoomPrime
Focal length24–105 mm28 mm
Maximum aperturef/4f/2.8
Minimum aperturef/22f/22
Optical constructionSeventeen elements in twelve groupsNine elements in seven groups
Special elementsFour aspherical elementsGlass-moulded aspherical element
CoatingsAir Sphere Coating; front and rear fluorine coating according to The Digital PictureSuper Spectra coating according to Canon UK
DiaphragmTen blades with a circular apertureSeven-blade circular aperture according to Canon Camera Museum
Angle of view84°–23°20′ diagonal, 74°–19°20′ horizontal and 53°–13° vertical75° diagonal, 65° horizontal and 46° vertical
Mount and compatibility
MountsCanon EFCanon EF
Image circleFull frameFull frame
CompatibilityCanon EF full-frame and APS-C DSLRs; EOS M cameras require an EF-EOS M mount adaptorCanon EF full-frame and APS-C cameras; EOS M requires EF-EOS M adapter
Teleconverter supportCanon's manual excludes extendersCanon extenders not compatible
Adaptor supportEF12 II gives 0.60–0.50× at 24 mm and 0.41–0.12× at 105 mm; EF25 II is incompatible at 24 mm and gives 0.61–0.27× at 105 mmExtension tube EF12 II gives 0.71–0.50× magnification; EF25 II gives 1.30–1.11×
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.45 m0.23 m
Maximum magnification0.24×0.2×
Optical stabilisationYesYes
Autofocus detailUSM autofocus with full-time manual focusing. Canon's manual specifies turning the ring with the shutter half-pressed after One Shot AFRing USM with full-time manual focus according to Canon UK; Camera Museum describes micro USM instead
Focus distance detailInternal focusing according to The Digital Picture; Canon instructs users to finish zooming before focusingInternal focusing with a non-rotating front and constant physical length according to The Digital Picture
Stabilisation detailCanon claims four-stop optical stabilisation. The exact manual describes automatic adjustment for still subjects and panning, with correction perpendicular to the panning directionMaker 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
Length118 mm51.5 mm
Weight795 g260 g
ControlsAF/MF and stabilisation switches, separate focus and zoom rings, distance window, infrared index and transport lock at 24 mm–
Zoom designExtending barrel; zoom lock holds the shortest 24 mm position–
Weather resistanceCanon UK describes dust and moisture sealing; the manual identifies a rubber mount ring. The Digital Picture recommends a protective filter to complete front sealingNo weather sealing according to The Digital Picture and Photozone
Dimensions detailMaximum diameter × retracted length; size and 795 g weight are lens-only. Caps add 24.2 mm to length according to Canon's manualMaximum diameter × length in retracted state
Lens hoodEW-83M hood with release button; reversible for storageOptional EW-65B; LP1014 pouch listed as an accessory
In the boxLens, E-77 II front cap, Dust Lens Cap E, EW-83M hood, LP1219 case and manual according to Canon UKLens, E-58U front cap, Lens Dust Cap E and user manual according to Canon UK
Release detailCanon Camera Museum's exact-model table records October 2016 marketing; its later RF 24–105mm page retrospectively says November 2016. The year is used because the maker gives conflicting months without explaining a regional differenceCanon Camera Museum records June 2012 marketing and explicitly identifies the April 1987 EF 28mm f/2.8 as its predecessor

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