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Canon EF 24mm f/1.4L II USM vs Canon EF 85mm f/1.4L IS USM

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

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CanonEF 24mm f/1.4L II USMCanonEF 85mm f/1.4L IS USM
Overview
ReleasedDecember 2008November 2017
Optics
Lens typePrimePrime
Focal length24 mm85 mm
Maximum aperturef/1.4f/1.4
Minimum aperturef/22f/22
Optical constructionThirteen elements in ten groupsFourteen elements in ten groups
Special elementsTwo glass-moulded aspherical elements and two UD elements according to Canon Camera MuseumHigh-precision glass-moulded aspherical lens according to Canon
CoatingsSubwavelength Structure Coating to reduce ghosting and flare from light entering at acute anglesAir Sphere Coating (ASC) according to Canon
DiaphragmEight-blade circular apertureNine blades with a circular aperture
Angle of view84° diagonal, 74° horizontal and 53° vertical according to Canon's manual28°30′ diagonal, 24° horizontal and 16° 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 cameras with full-frame or APS-C sensors
Teleconverter supportCanon EF1.4X II and EF2X II cannot be used according to Canon's manualNot compatible with Canon extenders according to Canon UK's specification sheet
Adaptor supportEOS M compatibility with the EF-EOS M mount adaptor according to Canon UKCanon UK confirms EOS M compatibility using the EF-EOS M Mount Adapter
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.25 m0.85 m
Maximum magnification0.17×0.12×
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 override according to Canon UK
Focus distance detailInternal focusing with constant physical length and non-rotating filter according to Photozone and ePHOTOzineInternal focusing according to ePHOTOzine
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 manualCanon UK specifies 0.15–0.26× with EF12 II and 0.33–0.43× with EF25 II extension tubes
Stabilisation detailNo optical stabilisation according to ePHOTOzine's exact-model specification tableFour-stop optical stabilisation, tested at 85 mm with EOS-1D X Mark II to CIPA standards according to Canon
Design
Dust and moisture resistantYesYes
Filter diameter77 mm77 mm
Maximum diameter83.5 mm88.6 mm
Length86.9 mm105.4 mm
Weight650 g950 g
ControlsAF/MF switch, focus ring, distance window, depth-of-field scale and infrared focus indexAF/MF and stabiliser on/off switches, manual focus ring, distance window and depth-of-field markings
Weather resistanceDust- and drip-resistant seal structure and rubber lens-mount ring according to Canon's manualDust and moisture resistance according to Canon UK
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 manual88.6 mm maximum diameter × 105.4 mm length; approximately 950 g according to Canon
Lens hoodSupplied reversible EW-83K petal hoodSupplied ET-83E hood according to Canon UK
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, ET-83E hood, E-77II front cap, Lens Dust Cap E, LP1219 pouch 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 November 2017 marketing; a first-sale day is not given

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