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Canon EF-S 17–55mm f/2.8 IS USM vs Canon EF-S 18–55mm f/3.5–5.6 II USM

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

Better figure, where one is clearly better

CanonEF-S 17–55mm f/2.8 IS USMCanonEF-S 18–55mm f/3.5–5.6 II USM
Overview
ReleasedMay 2006March 2005
Optics
Lens typeZoomZoom
Focal length17–55 mm18–55 mm
Maximum aperturef/2.8f/3.5–5.6
Minimum aperturef/22f/22–36
Optical construction19 elements in 12 groups11 elements in nine groups; Canon's EF Lens Work III records exterior design changes from type I while optical performance remains the same
Special elementsThree aspherical elements, including one glass-moulded and two replica elements; two UD elements according to Canon JapanOne precision aspherical element; Canon's EF Lens Work III identifies the tenth element
CoatingsSuper Spectra coatings according to Canon UK–
DiaphragmSeven blades with a circular aperture according to Canon Camera MuseumSix blades with a circular aperture according to Canon Camera Museum
Angle of viewHorizontal 68°40′–23°20′, vertical 48°–15°40′, diagonal 78°30′–27°50′Diagonal 74°20′–27°50′ according to Canon's EF Lens Work III
Mount and compatibility
MountsCanon EF-SCanon EF-S
Image circleAPS-CAPS-C
CompatibilityCanon EF-S compatible APS-C cameras; equivalent angle of view to 27–88 mm on full frameCanon EF-S compatible APS-C cameras; equivalent angle of view to approximately 29–88 mm on full frame
Teleconverter supportCanon extenders are not compatible–
Adaptor supportCanon UK confirms EOS M compatibility using the EF-EOS M adapter–
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.35 m0.28 m
Maximum magnification0.17×0.28×
Optical stabilisationYes–
Autofocus detailUSM autofocus with full-time manual override; distance information is transmitted for E-TTL II flash metering according to Canon UKCanon Micro USM II ultrasonic motor
Focus distance detailInternal focusing keeps lens length constant during focusing; front element does not rotate according to PhotozoneFront-group rotating extension focusing; minimum distance 0.28 m throughout the zoom range according to Canon's EF Lens Work III
Magnification detailMaximum 0.17× at 55 mm according to Canon Japan; EF12 II extension tube and 500D close-up lens supported, 250D close-up lens not supported–
Stabilisation detailCanon states three shutter-speed stops of optical correction; Canon Japan lists no coordinated correction with camera IBIS–
Design
Dust and moisture resistantNo–
Filter diameter77 mm58 mm
Maximum diameter83.5 mm68.5 mm
Length110.6 mm66 mm
Weight645 g190 g
ControlsAF/MF and stabiliser switches; distance window and rear focus ring–
Zoom designExtends towards the telephoto end according to Photozone and ePHOTOzine–
Weather resistanceCanon Japan lists no dust or drip resistance–
Dimensions detail83.5 mm maximum diameter × 110.6 mm length according to Canon68.5 mm maximum diameter × 66 mm length; 190 g according to Canon
Lens hoodEW-83J hood and LP1219 pouch are optional accessories; Canon UK's box list includes neither. Canon Camera Museum's price table says case and built-in hood, conflicting with the UK package and separately listed removable EW-83J hood–
In the boxLens, E77II front cap, Lens Dust Cap E and user manual according to Canon UK–
Release detailCanon Camera Museum records May 2006 marketing. Canon Japan records announcement on 22 February and Japanese first sale on 31 May 2006; a separately established UK first-sale day is not published in these sources.Canon Camera Museum records March 2005 marketing; no first-sale day is given by this source

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