Canon RF-S 14–30mm F4–6.3 IS STM PZ 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

RF-S 14–30mm F4–6.3 IS STM PZ compared with RF-S 18–45mm F4.5–6.3 IS STM
CanonRF-S 14–30mm F4–6.3 IS STM PZCanonRF-S 18–45mm F4.5–6.3 IS STM
Overview
ReleasedApril 2025June 2022
Optics
Lens typeZoomZoom
Focal length14–30 mm18–45 mm
Maximum aperturef/4–6.3f/4.5–6.3
Minimum aperturef/22–38f/22–32
Optical construction10 elements in nine groupsSeven elements in seven groups
Special elements–Two plastic-moulded aspherical elements; Super Spectra coating; no fluorine coating
CoatingsSuper Spectra coating–
Aperture detailMaker minimum aperture f/22 at14mm and f/38 at30mm using half-stop display; Ken Rockwell reports f/36 at30mm, while Digital Camera World lists f/32. Main values retain the maker’s explicitly stated display conventionMinimum 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, APS-C image circle; UK maker lists compatible full-frame EOS R bodies with crop restrictionsCanon RF mount with APS-C image circle; full-frame EOS R bodies crop to APS-C; RF extenders and EF extension tubes not compatible
Image circle detailPhysical14–30mm focal length;22.4–48mm equivalent angle of view on Canon APS-C, distinct from any additional movie crop–
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.15 m0.15 m (manual focus)
Maximum magnification0.38×0.26× (manual focus)
Optical stabilisationYesYes
Autofocus detailSTM autofocus; combined electronic focus/control ring. No dedicated AF/MF switchSTM autofocus and electronic manual focusing
Focus distance detailMaker minimum focus0.15m throughout the zoom range; no AF/MF distinction published in the specification tableAutofocus 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 detail0.17× at14mm and0.38× at30mmAutofocus 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 detailLens optical IS rated five stops at30mm with EOS R10, yaw/pitch under CIPA2024. Coordinated EOS R7 body/lens IS rated7.5 central and5.5 peripheral stops at30mm, yaw/pitch/roll. Ken Rockwell measured about2.5–2.7 stops on EOS R50 V held at arm’s length, a different test conditionOptical 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
Video featuresInternal power zoom controlled by lens ring, compatible camera controls or remote smartphone/Bluetooth control; UK maker describes two-step variable speed and15 adjustable levels. Movie Digital IS is camera processing with additional crop, distinct from lens optical IS–
Design
Dust and moisture resistantNoNo
Filter diameter58 mm49 mm
Maximum diameter69.6 mm69 mm
Length62 mm44.3 mm
Weight181 g130 g (better)
ControlsCombined focus/control ring and power zoom ring; no dedicated stabilisation switchCombined focus/control ring and zoom ring; AF/MF and IS controlled through camera settings
Zoom designNon-extending internal motorised zoom maintains the lens’s62mm lengthRetractable barrel; lens must be extended for shooting
Weather resistanceMaker FAQ explicitly states no dust or drip resistant constructionNo dust or moisture resistance
Dimensions detailApproximately69.6mm maximum diameter ×62mm lengthApproximately 69 mm maximum diameter × 44.3 mm length, retracted
Weight detailApproximately181g lens, per maker; Ken Rockwell measured179.1gApproximately 130 g lens
Lens hoodEW-63C, sold separatelyEW-53 hood and LP814 pouch, sold separately
In the boxUK maker store lists lens, E-58 II front cap, Lens Dust Cap RF and user manualLens, E-49 front cap, RF lens dust cap and user manual
Release detailCanon USA scheduled the EOS R50 V kit containing this lens for April2025; Canon Indonesia’s22April2025 launch lists both kit and standalone lens for sale. Japan FAQ’s lateJuly2025 planned standalone release is a later regional date, not the earliest availability. No exact worldwide first-sale day inferredJune 2022 marketed month in Canon Camera Museum

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