Canon EF-S 10–18mm f/4.5–5.6 IS STM vs Canon EF-S 24mm f/2.8 STM

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EF-S 10–18mm f/4.5–5.6 IS STM compared with EF-S 24mm f/2.8 STM

	CanonEF-S 10–18mm f/4.5–5.6 IS STM	CanonEF-S 24mm f/2.8 STM
Overview
Released
Released	May 2014	November 2014
Optics
Lens type
Lens type	Zoom	Prime
Focal length
Focal length	10–18 mm	24 mm
Maximum aperture
Maximum aperture	f/4.5–5.6	f/2.8
Minimum aperture
Minimum aperture	f/22–29	f/22
Optical construction
Optical construction	14 elements in 11 groups	Six elements in five groups
Special elements
Special elements	One UD and two aspherical elements, including a large-diameter plastic-moulded aspherical element	Aspherical lens element
Coatings
Coatings	Super Spectra coating	Super Spectra coatings according to Canon's UK store
Aperture detail
Aperture detail	Minimum f/22–29 in one-third-stop increments; f/22–27 with half-stop increments	–
Diaphragm
Diaphragm	Seven blades with a circular aperture	Seven blades with a circular aperture; micro-stepping aperture drive according to Canon's US datasheet
Mount and compatibility
Mounts
Mounts	Canon EF-S	Canon EF-S
Image circle
Image circle	APS-C	APS-C
Compatibility
Compatibility	Canon EF-S mount APS-C cameras	Canon EF-S compatible APS-C cameras; approximately 38 mm equivalent field of view; EOS M use requires the EF-EOS M adaptor
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	0.22 m	0.16 m
Maximum magnification
Maximum magnification	0.15×	0.27×
Optical stabilisation
Optical stabilisation	Yes	No
Autofocus detail
Autofocus detail	Stepping motor for smooth, near-silent focusing	STM autofocus supports Movie Servo AF; manual focus adjustment is available in One Shot AF according to Canon's US datasheet
Focus distance detail
Focus distance detail	Electronic focus ring; no distance scale (Digital Camera World); front element does not rotate during focusing (OpticalLimits)	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 detail
Magnification detail	Maximum 0.15× at 18 mm	0.27× 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 detail
Stabilisation detail	Approximately four shutter-speed stops under CIPA standards, tested on an EOS 7D at 18 mm	No optical image stabilisation
Design
Filter diameter
Filter diameter	67 mm	52 mm
Maximum diameter
Maximum diameter	74.6 mm	68.2 mm
Length
Length	72 mm	22.8 mm
Weight
Weight	240 g	125 g (better)
Zoom design
Zoom design	Lens extends slightly towards both ends of the zoom range; shortest around 14 mm (OpticalLimits)	–
Dimensions detail
Dimensions detail	74.6 mm maximum diameter × 72 mm length in the retracted state	68.2 mm maximum diameter × 22.8 mm retracted length
Lens hood
Lens hood	Optional EW-73C (Digital Camera World and OpticalLimits)	ES-52 screw-in hood sold separately according to Amateur Photographer; Canon lists LP811 as the compatible pouch
In the box
In the box	Lens, E-67II front cap, rear Lens Cap E and user manual	Lens, E-52II front cap, Lens Dust Cap E and user manual according to Canon's UK store
Release detail
Release detail	Marketed in May 2014 according to Canon Camera Museum	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.