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Canon RF 50mm F1.2 L USM 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 F1.2 L USMCanonRF-S 14–30mm F4–6.3 IS STM PZ
Overview
ReleasedOctober 2018April 2025
Optics
Lens typePrimeZoom
Focal length50 mm14–30 mm
Maximum aperturef/1.2f/4–6.3
Minimum aperturef/16f/22–38
Optical constructionFifteen elements in nine groups10 elements in nine groups
Coatings–Super 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
Special elementsOne UD element, two ground and polished aspherical elements and one glass-moulded aspherical element; Air Sphere Coating–
DiaphragmTen blades with circular apertureSeven blades
Mount and compatibility
MountsCanon RFCanon RF
Image circleFull frameAPS-C
CompatibilityCanon RF mount for full-frame and APS-C EOS R cameras; not compatible with EOS DSLRsCanon 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
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.4 m0.15 m
Maximum magnification0.19×0.38×
Optical stabilisationNoYes
Autofocus detailRing-type USM; electronic manual focusing with full-time manual overrideSTM autofocus; combined electronic focus/control ring. No dedicated AF/MF switch
Focus distance detailMinimum focus 0.4 m; focus limiter selects full range or 0.8 m–infinity (Cameralabs)Maker minimum focus0.15m throughout the zoom range; no AF/MF distinction published in the specification table
Magnification detailMaximum 0.19×0.17× at14mm and0.38× at30mm
Stabilisation detailNo optical image stabiliser (Cameralabs)Lens 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 resistantYesNo
Filter diameter77 mm58 mm
Maximum diameter89.8 mm69.6 mm
Length108 mm62 mm
Weight950 g181 g
ControlsElectronic manual-focus and customisable control rings; AF/MF and focus-limiter switchesCombined focus/control ring and power zoom ring; no dedicated stabilisation switch
Zoom design–Non-extending internal motorised zoom maintains the lens’s62mm length
Weather resistanceDust and moisture resistant constructionMaker FAQ explicitly states no dust or drip resistant construction
Dimensions detailApproximately 89.8 mm maximum diameter × 108 mm lengthApproximately69.6mm maximum diameter ×62mm length
Weight detailApproximately 950 g lensApproximately181g lens, per maker; Ken Rockwell measured179.1g
Lens hoodES-83 hood includedEW-63C, sold separately
In the boxLens, E-77 II front cap, RF dust cap, ES-83 hood, LP1319 case and user manualUK maker store lists lens, E-58 II front cap, Lens Dust Cap RF and user manual
Release detailOctober 2018 marketed month in Canon Camera MuseumCanon 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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