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Canon RF 50mm F1.8 STM vs Canon RF-S 14–30mm F4–6.3 IS STM PZ

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

Better figure, where one is clearly better

CanonRF 50mm F1.8 STMCanonRF-S 14–30mm F4–6.3 IS STM PZ
Overview
ReleasedDecember 2020April 2025
Optics
Lens typePrimeZoom
Focal length50 mm14–30 mm
Maximum aperturef/1.8f/4–6.3
Minimum aperturef/22f/22–38
Optical constructionSix elements in five groups10 elements in nine groups
Special elementsOne aspherical element–
CoatingsSuper Spectra anti-reflection coatingSuper Spectra coating
Aperture detail–Maker 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 convention
DiaphragmSeven bladesSeven blades
Angle of viewFull-frame horizontal40°, vertical27°30′ and diagonal46°–
Mount and compatibility
MountsCanon RFCanon RF
Image circleFull frameAPS-C
CompatibilityCanon EOS R cameras; full-frame RF mount. Distinct from EF50mmF1.8STM and RF50mmF1.2LUSMCanon RF mount, APS-C image circle; UK maker lists compatible full-frame EOS R bodies with crop restrictions
Image circle detail–Physical14–30mm focal length;22.4–48mm equivalent angle of view on Canon APS-C, distinct from any additional movie crop
Teleconverter supportCanon RF extenders not compatible–
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.3 m0.15 m
Maximum magnification0.25×0.38×
Optical stabilisationNoYes
Autofocus detailSTM autofocus; electronic manual focus. Photography Blog reports selection of manual focus through the camera menuSTM autofocus; combined electronic focus/control ring. No dedicated AF/MF switch
Focus distance detailMinimum focus distance0.30m; maker table does not distinguish AF and MF figures, so no mode inferred. Extending inner tube during close focusing, as documented by OpticalLimitsMaker minimum focus0.15m throughout the zoom range; no AF/MF distinction published in the specification table
Magnification detailMaker maximum magnification0.25×; no unpublished AF/MF distinction inferred0.17× at14mm and0.38× at30mm
Stabilisation detailNo lens optical IS; compatible cameras may provide body stabilisation separatelyLens 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 condition
Video features–Internal 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 resistant–No
Filter diameter43 mm58 mm
Maximum diameter69.2 mm69.6 mm
Length40.5 mm62 mm
Weight160 g181 g
ControlsShared focus/control ring with focus-control selector; control mode can adjust camera settingsCombined focus/control ring and power zoom ring; no dedicated stabilisation switch
Zoom design–Non-extending internal motorised zoom maintains the lens’s62mm length
Filter detail43mm front filter thread; maker lists Canon250D/500D close-up lenses and PL-C B circular polariser incompatible–
Weather resistanceUK maker dust/moisture resistance entry is a dash; OpticalLimits explicitly reports no weather sealingMaker FAQ explicitly states no dust or drip resistant construction
Dimensions detailApproximately69.2mm maximum diameter ×40.5mm length, measured retracted by CanonApproximately69.6mm maximum diameter ×62mm length
Weight detailApproximately160g lensApproximately181g lens, per maker; Ken Rockwell measured179.1g
Lens hoodES-65B, sold separatelyEW-63C, sold separately
In the boxLens, E-43 front cap and Lens Dust Cap RF; hood and LP1014 pouch are optional according to UK maker specificationsUK maker store lists lens, E-58 II front cap, Lens Dust Cap RF and user manual
Release detailDecember2020 marketed month in Canon Camera Museum. Canon Canada scheduled mid-December2020 availability; Canon Japan records first sale24December2020. Headline retains month because the exact earliest international retail day is not documented; Japan's later day is not presented as a worldwide dateCanon 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 inferred

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