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Canon EF-S 18–55mm f/3.5–5.6 IS STM 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 18–55mm f/3.5–5.6 IS STMCanonEF-S 24mm f/2.8 STM
Overview
ReleasedApril 2013November 2014
Optics
Lens typeZoomPrime
Focal length18–55 mm24 mm
Maximum aperturef/3.5–5.6f/2.8
Minimum aperturef/22–36f/22
Optical construction13 elements in 11 groupsSix elements in five groups
Special elementsOne high-precision aspherical elementAspherical lens element
Coatings–Super Spectra coatings according to Canon's UK store
Aperture detailMinimum f/22–36 with third-stop increments; f/22–38 with half-stop increments according to Canon's manual–
DiaphragmSeven blades with a circular apertureSeven blades with a circular aperture; micro-stepping aperture drive according to Canon's US datasheet
Angle of viewHorizontal 64°30′–23°20′; vertical 45°30′–15°40′; diagonal 74°20′–27°50′–
Mount and compatibility
MountsCanon EF-SCanon EF-S
Image circleAPS-CAPS-C
CompatibilityCanon EF-S compatible APS-C cameras; 29–88 mm equivalent field of view; EOS M use requires Mount Adapter EF-EOS MCanon EF-S compatible APS-C cameras; approximately 38 mm equivalent field of view; EOS M use requires the EF-EOS M adaptor
Teleconverter supportCanon extenders cannot be used–
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.25 m0.16 m
Maximum magnification0.36×0.27×
Optical stabilisationYesNo
Autofocus detailLead-screw STM supports Movie Servo AF on compatible cameras; manual adjustment after One-Shot autofocus requires keeping the shutter button half pressedSTM 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 is unavailable with the camera off or lens asleep; internal focusing with a non-rotating filter thread according to both reviewsElectronically 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 0.36× at 55 mm; EF12 II gives 0.65–0.23× and EF25 II gives 1.00–0.51× at 55 mm; both are incompatible at 18 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 detailCanon's manual and Japanese support specify 3.5 stops under CIPA testing at 55 mm using an EOS 7D; the UK specification lists four stops. Automatic panning compensation; Canon recommends switching IS off on a tripod to conserve power.No optical image stabilisation
Design
Filter diameter58 mm52 mm
Maximum diameter69 mm68.2 mm
Length75.2 mm22.8 mm
Weight205 g125 g
Zoom designMost compact around 30 mm, extending modestly towards both ends according to The Digital Picture–
Dimensions detail69 mm maximum diameter × 75.2 mm retracted length; dimensions and 205 g weight are lens only, excluding caps68.2 mm maximum diameter × 22.8 mm retracted length
Lens hoodEW-63C hood and LP1016 pouch sold separatelyES-52 screw-in hood sold separately according to Amateur Photographer; Canon lists LP811 as the compatible pouch
In the boxE-58II front cap, Lens Dust Cap E, instructions and warranty card according to Canon JapanLens, E-52II front cap, Lens Dust Cap E and user manual according to Canon's UK store
Release detailCanon Japan's support specification gives first sale on 12 April 2013, earlier than the announcement's promised late April; Camera Museum records April. The day is the Japanese release, not a separately confirmed UK day.Canon 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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