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Canon EF 24–105mm f/4L IS II USM vs Canon EF 85mm f/1.2L 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 85mm f/1.2L USM
Overview
Released2016September 1989
Optics
Lens typeZoomPrime
Focal length24–105 mm85 mm
Maximum aperturef/4f/1.2
Minimum aperturef/22f/16
Optical constructionSeventeen elements in twelve groupsEight elements in seven groups; floating optical system
Special elementsFour aspherical elementsOne aspherical element and two high-refraction elements according to Canon
CoatingsAir Sphere Coating; front and rear fluorine coating according to The Digital Picture–
DiaphragmTen blades with a circular apertureEight blades; non-rounded according to The Digital Picture
Angle of view84°–23°20′ diagonal, 74°–19°20′ horizontal and 53°–13° vertical28°30′ diagonal, 24° horizontal and 16° 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 m0.95 m
Maximum magnification0.24×0.11×
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 AFUSM autofocus; The Digital Picture reports no focus-distance transmission for E-TTL II flash metering
Focus distance detailInternal focusing according to The Digital Picture; Canon instructs users to finish zooming before focusingElectronically driven manual focusing requires the camera to be powered on; front element moves during focusing 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 specifications
Design
Dust and moisture resistantYesNo
Filter diameter77 mm72 mm
Maximum diameter83.5 mm91.5 mm
Length118 mm84 mm
Weight795 g1,025 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 and depth-of-field markings
Filter detail–Front screw-in filter; Canon's manual permits one filter at a time
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 sealingNot weather sealed according to The Digital Picture's exact-model specifications
Dimensions detailMaximum diameter × retracted length; size and 795 g weight are lens-only. Caps add 24.2 mm to length according to Canon's manual91.5 mm maximum diameter × 84 mm length; 1,025 g lens-only. Canon's manual gives a further 21.5 mm with both caps fitted
Lens hoodEW-83M hood with release button; reversible for storageES-79 II according to Canon's manual; button-release fitting and reversible for storage
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 September 1989 marketing; no first-sale day is given

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