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Canon RF-S 10–18mm F4.5–6.3 IS STM vs Canon RF-S 18–45mm F4.5–6.3 IS STM

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

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CanonRF-S 10–18mm F4.5–6.3 IS STMCanonRF-S 18–45mm F4.5–6.3 IS STM
Overview
ReleasedNovember 2023June 2022
Optics
Lens typeZoomZoom
Focal length10–18 mm18–45 mm
Maximum aperturef/4.5–6.3f/4.5–6.3
Minimum aperturef/22–32f/22–32
Optical constructionTwelve elements in ten groupsSeven elements in seven groups
Special elementsTwo UD elements and one plastic-moulded aspherical element; Super Spectra coatingTwo plastic-moulded aspherical elements; Super Spectra coating; no fluorine coating
Aperture detailMaximum f/4.5 at 10 mm and f/6.3 at 18 mm; minimum f/22–32Minimum 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
DiaphragmSeven bladesSeven blades
Mount and compatibility
MountsCanon RFCanon RF
Image circleAPS-CAPS-C
CompatibilityCanon RF mount with APS-C image circle; full-frame EOS R bodies crop to APS-C; RF extenders not compatibleCanon 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 distance0.086 m (manual focus)0.15 m (manual focus)
Maximum magnification0.5× (manual focus)0.26× (manual focus)
Optical stabilisationYesYes
Autofocus detailLead-screw STM autofocus and electronic manual focusing; supports compatible cameras' electronic movie focus-breathing correctionSTM autofocus and electronic manual focusing
Focus distance detailAutofocus minimum 0.14 m throughout 10–18 mm; manual-focus minimum 0.086 m at 10 mmAutofocus 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 detailAutofocus maximum 0.23× at 18 mm; manual-focus maximum 0.5× at 10 mmAutofocus 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 detailOptical IS rated four stops with EOS R10 at 18 mm under CIPA, yaw/pitch; coordinated IS rated six stops with EOS R7 at 18 mm under CIPA, yaw/pitchOptical 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 resistantNoNo
Filter diameter49 mm49 mm
Maximum diameter69 mm69 mm
Length44.9 mm44.3 mm
Weight150 g130 g
ControlsCombined focus/control ring and zoom ring; AF/MF and IS controlled through camera settingsCombined focus/control ring and zoom ring; AF/MF and IS controlled through camera settings
Zoom designRetractable barrel; lens must be extended for shooting; designed to use camera electronic distortion correctionRetractable barrel; lens must be extended for shooting
Weather resistanceNo dust or moisture resistanceNo dust or moisture resistance
Dimensions detailApproximately 69 mm maximum diameter × 44.9 mm length, retractedApproximately 69 mm maximum diameter × 44.3 mm length, retracted
Weight detailApproximately 150 g lensApproximately 130 g lens
Lens hoodEW-53B hood and LP814 pouch, sold separatelyEW-53 hood and LP814 pouch, sold separately
In the boxLens, E-49 front cap, RF lens dust cap and user manualLens, E-49 front cap, RF lens dust cap and user manual
Release detailNovember 2023 marketed month in Canon Camera Museum; Japan announcement specified early December 2023 regional availabilityJune 2022 marketed month in Canon Camera Museum

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