Canon EF-S 18–55mm f/3.5–5.6 III vs Canon EF-S 18–55mm f/3.5–5.6 IS II

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Better figure, where one is clearly better

EF-S 18–55mm f/3.5–5.6 III compared with EF-S 18–55mm f/3.5–5.6 IS II
CanonEF-S 18–55mm f/3.5–5.6 IIICanonEF-S 18–55mm f/3.5–5.6 IS II
Overview
ReleasedMarch 2011March 2011
Optics
Lens typeZoomZoom
Focal length18–55 mm18–55 mm
Maximum aperturef/3.5–5.6f/3.5–5.6
Minimum aperturef/22–38f/22–36
Optical construction11 elements in nine groups11 elements in nine groups; retains the optical design of the original EF-S 18–55mm f/3.5–5.6 IS
Special elementsHigh-precision aspherical elementOne high-precision aspherical element
Aperture detail–Minimum f/22–36 with third-stop settings in Canon's EOS 1100D manual; the UK specification also lists f/38 at the long end with different aperture increments
DiaphragmSix blades with a circular apertureSix blades with a circular aperture according to Canon Camera Museum
Angle of view–Horizontal 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 camerasCanon EF-S compatible APS-C cameras
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.25 m0.25 m
Maximum magnification0.34×0.34×
Optical stabilisationNoYes
Autofocus detailAutofocus and manual focus selected with the lens switch according to Focus ReviewMicromotor autofocus; no full-time manual override according to The Digital Picture and Focus Review
Focus distance detailManual focusing uses the ribbed front tube; plastic barrel and mount according to Focus ReviewFront element rotates and extends during focusing; select MF before turning the narrow manual focus ring according to The Digital Picture and Ken Rockwell
Magnification detail–Maximum 0.34× at 55 mm; EF12 II gives 0.64–0.23× and EF25 II gives 1.00–0.51× according to Canon UK, with wide-angle incompatibility
Stabilisation detailNo image stabiliser according to Focus Review's exact-model testFour-stop launch claim based on a shutter speed of 1/(focal length × 1.6) seconds according to Canon Camera Museum; lens-shift stabilisation
Design
Filter diameter58 mm58 mm
Maximum diameter68.5 mm68.5 mm
Length70 mm70 mm
Weight190 g (better)200 g
Dimensions detail68.5 mm maximum diameter × 70 mm length68.5 mm maximum diameter × 70 mm retracted length
Lens hood–EW-60C hood and LP814 case sold separately according to Canon's EOS 1100D manual
Release detailCanon Camera Museum records March 2011 marketing and explicitly identifies this model as the successor to the EF-S 18–55mm f/3.5–5.6 II. No separately verified UK first-sale day is published in these sources.Canon Camera Museum records March 2011 introduction. This is retail-month precision; no separately confirmed UK first-sale day is published in these sources.

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