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Canon EF-S 18–135mm f/3.5–5.6 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-S 18–135mm f/3.5–5.6 IS USMCanonEF-S 24mm f/2.8 STM
Overview
ReleasedMarch 2016November 2014
Optics
Lens typeZoomPrime
Focal length18–135 mm24 mm
Maximum aperturef/3.5–5.6f/2.8
Minimum aperturef/22–36f/22
Optical construction16 elements in 12 groupsSix elements in five groups
Special elementsOne UD and one aspherical elementAspherical lens element
CoatingsSuper Spectra coatingsSuper Spectra coatings according to Canon's UK store
Aperture detailMinimum f/22–36 with one-third-stop increments; f/22–38 with half-stop increments–
DiaphragmSeven blades with a circular apertureSeven blades with a circular aperture; micro-stepping aperture drive according to Canon's US datasheet
Mount and compatibility
MountsCanon EF-SCanon EF-S
Image circleAPS-CAPS-C
CompatibilityCanon EF-S mount APS-C camerasCanon EF-S compatible APS-C cameras; approximately 38 mm equivalent field of view; EOS M use requires the EF-EOS M adaptor
Adaptor supportCanon UK supports EOS M cameras with an EF-EOS M mount adaptor–
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.39 m0.16 m
Maximum magnification0.28×0.27×
Optical stabilisationYesNo
Autofocus detailNano USM; Canon claims up to 4.3× the STM predecessor's focus-lens driving speed when focusing from minimum distance to infinity at 135 mm through the viewfinderSTM autofocus supports Movie Servo AF; manual focus adjustment is available in One Shot AF according to Canon's US datasheet
Focus distance detailElectronic manual focusing requires an awake camera; manual override in One-Shot AF requires a half-pressed shutter and enabled electronic manual focusing (The Digital Picture)Electronically 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 detailMaximum 0.28× at 135 mm0.27× 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 Image Stabilizer with automatic panning detectionNo optical image stabilisation
Video featuresOptional PZ-E1 power zoom adaptor attaches beneath the lens (The Digital Picture)–
Design
Dust and moisture resistantNo–
Filter diameter67 mm52 mm
Maximum diameter77.4 mm68.2 mm
Length96 mm22.8 mm
Weight515 g125 g
ControlsFocus and zoom rings; AF/MF, stabiliser and zoom-lock switches (The Digital Picture)–
Zoom designExtends towards longer focal lengths; zoom lock retains the retracted position (The Digital Picture)–
Weather resistanceNo full weather sealing or mount gasket (The Digital Picture)–
Dimensions detail77.4 mm maximum diameter × 96 mm length according to Canon Camera Museum68.2 mm maximum diameter × 22.8 mm retracted length
Lens hoodOptional EW-73D; optional LP1116 pouch (The Digital Picture)ES-52 screw-in hood sold separately according to Amateur Photographer; Canon lists LP811 as the compatible pouch
In the boxLens, E-67 II front cap, Lens Dust Cap E and user manualLens, E-52II front cap, Lens Dust Cap E and user manual according to Canon's UK store
Release detailMarketed in March 2016 according to Canon Camera MuseumCanon 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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