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Canon EF 85mm f/1.4L IS USM vs Canon EF-S 24mm f/2.8 STM

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

Better figure, where one is clearly better

CanonEF 85mm f/1.4L IS USMCanonEF-S 24mm f/2.8 STM
Overview
ReleasedNovember 2017November 2014
Optics
Lens typePrimePrime
Focal length85 mm24 mm
Maximum aperturef/1.4f/2.8
Minimum aperturef/22f/22
Optical constructionFourteen elements in ten groupsSix elements in five groups
Special elementsHigh-precision glass-moulded aspherical lens according to CanonAspherical lens element
CoatingsAir Sphere Coating (ASC) according to CanonSuper Spectra coatings according to Canon's UK store
DiaphragmNine blades with a circular apertureSeven blades with a circular aperture; micro-stepping aperture drive according to Canon's US datasheet
Angle of view28°30′ diagonal, 24° horizontal and 16° vertical–
Mount and compatibility
MountsCanon EFCanon EF-S
Image circleFull frameAPS-C
CompatibilityCanon EF cameras with full-frame or APS-C sensorsCanon EF-S compatible APS-C cameras; approximately 38 mm equivalent field of view; EOS M use requires the EF-EOS M adaptor
Teleconverter supportNot compatible with Canon extenders according to Canon UK's specification sheet–
Adaptor supportCanon UK confirms EOS M compatibility using the EF-EOS M Mount Adapter–
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.85 m0.16 m
Maximum magnification0.12×0.27×
Optical stabilisationYesNo
Autofocus detailRing USM with full-time manual override according to Canon UKSTM autofocus supports Movie Servo AF; manual focus adjustment is available in One Shot AF according to Canon's US datasheet
Focus distance detailInternal focusing according to ePHOTOzineElectronically coupled manual focusing requires the camera to be powered on and metering activated according to Amateur Photographer; the front barrel extends but does not rotate according to Digital Camera World
Magnification detailCanon UK specifies 0.15–0.26× with EF12 II and 0.33–0.43× with EF25 II extension tubes0.27× maximum magnification; EF12 II extension tube gives 0.77–0.50× and EF25 II gives 1.38–1.11× according to Canon's UK specification
Stabilisation detailFour-stop optical stabilisation, tested at 85 mm with EOS-1D X Mark II to CIPA standards according to CanonNo optical image stabilisation
Design
Dust and moisture resistantYes–
Filter diameter77 mm52 mm
Maximum diameter88.6 mm68.2 mm
Length105.4 mm22.8 mm
Weight950 g125 g
ControlsAF/MF and stabiliser on/off switches, manual focus ring, distance window and depth-of-field markings–
Weather resistanceDust and moisture resistance according to Canon UK–
Dimensions detail88.6 mm maximum diameter × 105.4 mm length; approximately 950 g according to Canon68.2 mm maximum diameter × 22.8 mm retracted length
Lens hoodSupplied ET-83E hood according to Canon UKES-52 screw-in hood sold separately according to Amateur Photographer; Canon lists LP811 as the compatible pouch
In the boxLens, ET-83E hood, E-77II front cap, Lens Dust Cap E, LP1219 pouch and user manual according to Canon UKLens, E-52II front cap, Lens Dust Cap E and user manual according to Canon's UK store
Release detailCanon Camera Museum records November 2017 marketing; a first-sale day is not givenCanon Camera Museum records November 2014 introduction; the Japanese announcement specified late November. No separately confirmed UK first-sale day is published in these sources.

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