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Canon EF 24–105mm f/3.5–5.6 IS STM vs Canon EF 85mm f/1.4L IS USM

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

Better figure, where one is clearly better

CanonEF 24–105mm f/3.5–5.6 IS STMCanonEF 85mm f/1.4L IS USM
Overview
ReleasedDecember 2014November 2017
Optics
Lens typeZoomPrime
Focal length24–105 mm85 mm
Maximum aperturef/3.5–5.6f/1.4
Minimum aperturef/22–36f/22
Optical constructionSeventeen elements in thirteen groupsFourteen elements in ten groups
Special elementsAspherical and UD elementsHigh-precision glass-moulded aspherical lens according to Canon
Coatings–Air Sphere Coating (ASC) according to Canon
Aperture detailMinimum aperture f/22–36 with third-stop increments, or f/22–32 with half-stop increments, according to Canon's exact manual and Museum table–
DiaphragmSeven blades with a circular apertureNine blades with a circular aperture
Angle of view84°–23°20′ diagonal, 74°–19°20′ horizontal and 53°–13° vertical28°30′ diagonal, 24° horizontal and 16° vertical
Mount and compatibility
MountsCanon EFCanon EF
Image circleFull frameFull frame
CompatibilityCanon EF cameras with full-frame or APS-C sensorsCanon EF cameras with full-frame or APS-C sensors
Teleconverter supportCanon's manual excludes extendersNot compatible with Canon extenders according to Canon UK's specification sheet
Adaptor supportEF12 II gives 0.61–0.50× at 24 mm and 0.46–0.12× at 105 mm; EF25 II is incompatible at 24 mm and gives 0.67–0.27× at 105 mmCanon UK confirms EOS M compatibility using the EF-EOS M Mount Adapter
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.4 m0.85 m
Maximum magnification0.3×0.12×
Optical stabilisationYesYes
Autofocus detailLead-screw STM autofocus with electronic manual focusing. One Shot AF permits manual adjustment with the shutter half-pressed; manual focusing is unavailable when the camera is off or the lens is asleepRing USM with full-time manual override according to Canon UK
Focus distance detailInternal focusing with a non-rotating filter thread according to ePHOTOzine. Canon instructs users to finish zooming before focusingInternal focusing according to ePHOTOzine
Magnification detail–Canon UK specifies 0.15–0.26× with EF12 II and 0.33–0.43× with EF25 II extension tubes
Stabilisation detailFour-stop claim measured at 105 mm with the EOS-1D X under CIPA standards. The manual describes automatic correction for still subjects and panningFour-stop optical stabilisation, tested at 85 mm with EOS-1D X Mark II to CIPA standards according to Canon
Video featuresSmooth Movie Servo AF with compatible cameras; the original manual lists EOS 70D, 700D, 100D and 650D, plus EOS M/M2 with an EF-EOS M adaptor–
Design
Dust and moisture resistant–Yes
Filter diameter77 mm77 mm
Maximum diameter83.4 mm88.6 mm
Length104 mm105.4 mm
Weight525 g950 g
ControlsAF/MF and stabilisation switches, separate focus and zoom rings, and a zoom lock at 24 mmAF/MF and stabiliser on/off switches, manual focus ring, distance window and depth-of-field markings
Weather resistance–Dust and moisture resistance according to Canon UK
Zoom designExtending barrel with transport lock at the shortest position–
Dimensions detailMaximum diameter × length; size and 525 g weight are lens-only. Caps add 24.2 mm to length according to Canon's manual88.6 mm maximum diameter × 105.4 mm length; approximately 950 g according to Canon
Lens hoodOptional EW-83M hood with release button; reversible for storageSupplied ET-83E hood according to Canon UK
In the box–Lens, 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 2014 marketing; no first-sale day is givenCanon Camera Museum records November 2017 marketing; a first-sale day is not given

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