Canon EF-S 18–55mm f/3.5–5.6 III vs Canon RF-S 18–45mm F4.5–6.3 IS STM

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EF-S 18–55mm f/3.5–5.6 III compared with RF-S 18–45mm F4.5–6.3 IS STM
CanonEF-S 18–55mm f/3.5–5.6 IIICanonRF-S 18–45mm F4.5–6.3 IS STM
Overview
ReleasedMarch 2011June 2022
Optics
Lens typeZoomZoom
Focal length18–55 mm18–45 mm
Maximum aperturef/3.5–5.6f/4.5–6.3
Minimum aperturef/22–38f/22–32
Optical construction11 elements in nine groupsSeven elements in seven groups
Special elementsHigh-precision aspherical elementTwo plastic-moulded aspherical elements; Super Spectra coating; no fluorine coating
Aperture detail–Minimum f/22 at 18 mm and f/32 at 45 mm, per UK and Japan specifications; Camera Museum table lists f/18 at 18 mm
DiaphragmSix blades with a circular apertureSeven blades
Mount and compatibility
MountsCanon EF-SCanon RF
Image circleAPS-CAPS-C
CompatibilityCanon EF-S compatible APS-C camerasCanon RF mount with APS-C image circle; full-frame EOS R bodies crop to APS-C; RF extenders and EF extension tubes not compatible
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.25 m0.15 m (manual focus)
Maximum magnification0.34×0.26× (manual focus)
Optical stabilisationNoYes
Autofocus detailAutofocus and manual focus selected with the lens switch according to Focus ReviewSTM autofocus and electronic manual focusing
Focus distance detailManual focusing uses the ribbed front tube; plastic barrel and mount according to Focus ReviewAutofocus minimum 0.20 m at 18 mm, 0.30 m at 35 mm and 0.35 m at 45 mm; manual-focus minimum 0.15 m, 0.24 m and 0.25 m at those focal lengths
Magnification detail–Autofocus maximum 0.14× at 18 mm, 0.15× at 35 mm and 0.16× at 45 mm; manual-focus maximum 0.25×, 0.21× and 0.26× respectively
Stabilisation detailNo image stabiliser according to Focus Review's exact-model testOptical IS rated four stops with EOS R10 at 45 mm under CIPA, yaw/pitch; coordinated IS rated 6.5 stops with EOS R7 at 45 mm under CIPA, yaw/pitch
Design
Dust and moisture resistant–No
Filter diameter58 mm49 mm
Maximum diameter68.5 mm69 mm
Length70 mm44.3 mm
Weight190 g130 g (better)
Controls–Combined focus/control ring and zoom ring; AF/MF and IS controlled through camera settings
Zoom design–Retractable barrel; lens must be extended for shooting
Weather resistance–No dust or moisture resistance
Dimensions detail68.5 mm maximum diameter × 70 mm lengthApproximately 69 mm maximum diameter × 44.3 mm length, retracted
Weight detail–Approximately 130 g lens
Lens hood–EW-53 hood and LP814 pouch, sold separately
In the box–Lens, E-49 front cap, RF lens dust cap and user 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.June 2022 marketed month in Canon Camera Museum

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