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

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 24mm f/2.8
Overview
Released2016November 1988
Optics
Lens typeZoomPrime
Focal length24–105 mm24 mm
Maximum aperturef/4f/2.8
Minimum aperturef/22f/22
Optical constructionSeventeen elements in twelve groupsTen elements in ten groups; floating rear focusing system according to Canon Camera Museum
Special elementsFour aspherical elements–
CoatingsAir Sphere Coating; front and rear fluorine coating according to The Digital Picture–
DiaphragmTen blades with a circular apertureSix blades according to Canon Camera Museum
Angle of view84°–23°20′ diagonal, 74°–19°20′ horizontal and 53°–13° vertical84° diagonal, 74° horizontal and 53° vertical according to Canon's manual
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 cameras with full-frame or APS-C sensors
Teleconverter supportCanon's manual excludes extenders–
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 mm–
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.45 m0.25 m
Maximum magnification0.24×0.16×
Optical stabilisationYesNo
Autofocus detailUSM autofocus with full-time manual focusing. Canon's manual specifies turning the ring with the shutter half-pressed after One Shot AFArc Form Drive autofocus without full-time manual override according to The Digital Picture; Canon's manual requires the MF switch position for manual focus
Focus distance detailInternal focusing according to The Digital Picture; Canon instructs users to finish zooming before focusingInternal rear focusing; lens length remains constant and the front element does not rotate 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 directionNo optical stabilisation according to The Digital Picture's exact-model specification table
Design
Dust and moisture resistantYesNo
Filter diameter77 mm58 mm
Maximum diameter83.5 mm67.5 mm
Length118 mm48.5 mm
Weight795 g270 g
ControlsAF/MF and stabilisation switches, separate focus and zoom rings, distance window, infrared index and transport lock at 24 mmAF/MF switch, focus ring, distance window, depth-of-field scale and infrared focus index
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's exact-model specification table
Dimensions detailMaximum diameter × retracted length; size and 795 g weight are lens-only. Caps add 24.2 mm to length according to Canon's manual67.5 mm maximum diameter × 48.5 mm length; dimensions and 270 g weight are lens-only. Front and rear caps add 21.5 mm according to Canon's manual
Lens hoodEW-83M hood with release button; reversible for storageEW-60 II reversible hood according to Canon's manual; optional according to The Digital Picture
In the boxLens, E-77 II front cap, Dust Lens Cap E, EW-83M hood, LP1219 case and 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 November 1988 marketing; no first-sale day is given

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