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Canon EF-S 18–55mm f/3.5–5.6 IS vs Canon RF-S 18–45mm F4.5–6.3 IS 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 ISCanonRF-S 18–45mm F4.5–6.3 IS STM
Overview
ReleasedSeptember 2007June 2022
Optics
Lens typeZoomZoom
Focal length18–55 mm18–45 mm
Maximum aperturef/3.5–5.6f/4.5–6.3
Minimum aperturef/22–36f/22–32
Optical construction11 elements in nine groupsSeven elements in seven groups
Special elementsPrecision aspherical elementTwo plastic-moulded aspherical elements; Super Spectra coating; no fluorine coating
Aperture detailCanon Camera Museum lists minimum f/22–36; Canon Japan support lists f/22–38Minimum 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
Angle of viewHorizontal 64°30′–23°20′; vertical 45°30′–15°40′; diagonal 74°20′–27°50′–
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 stabilisationYesYes
Autofocus detailGeared DC motor according to Canon Japan; no full-time manual override according to The Digital PictureSTM autofocus and electronic manual focusing
Focus distance detailFront element rotates and extends during focusing; select MF before using the narrow manual focus ring according to The Digital Picture and PhotozoneAutofocus 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 detailMaximum 0.34× at 55 mm; EF12 II gives 0.64–0.23× and EF25 II gives 1.00–0.51× according to Canon JapanAutofocus 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 detailFour-stop launch claim based on a shutter speed of 1/(focal length × 1.6) seconds; automatic panning detection according to Canon Japan. Photozone and The Digital Picture report approximately three stops in their tests.Optical 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
Weight200 g130 g
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 hoodEW-60C hood and LP814 case sold separately according to Canon JapanEW-53 hood and LP814 pouch, sold separately
In the box–Lens, E-49 front cap, RF lens dust cap and user manual
Release detailCanon Japan records September 2007 first sale after the August announcement; Canon Camera Museum also records September 2007 marketing. No separately verified UK first-sale day is published in these sources.June 2022 marketed month in Canon Camera Museum

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