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Canon RF 15–35mm F2.8 L IS 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 15–35mm F2.8 L IS USMCanonRF-S 14–30mm F4–6.3 IS STM PZ
Overview
ReleasedSeptember 2019April 2025
Optics
Lens typeZoomZoom
Focal length15–35 mm14–30 mm
Maximum aperturef/2.8f/4–6.3
Minimum aperturef/22f/22–38
Optical constructionSixteen elements in twelve 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 elementsThree glass-moulded aspherical elements and UD elements; SWC and ASC coatings; fluorine coatings on the front and rear elements–
DiaphragmNine 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; RF extenders not compatibleCanon 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 distance0.28 m0.15 m
Maximum magnification0.21×0.38×
Optical stabilisationYesYes
Autofocus detailNano USM motor; electronic manual focusingSTM autofocus; combined electronic focus/control ring. No dedicated AF/MF switch
Focus distance detailMinimum focus 0.28 mMaker minimum focus0.15m throughout the zoom range; no AF/MF distinction published in the specification table
Magnification detailMaximum 0.21× at 35 mm0.17× at14mm and0.38× at30mm
Stabilisation detailOptical IS rated five stops with EOS R at 35 mm under CIPA standardsLens 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 diameter82 mm58 mm
Maximum diameter88.5 mm69.6 mm
Length126.8 mm62 mm
Weight840 g181 g
ControlsZoom, electronic manual-focus and customisable control rings; AF/MF and stabiliser on/off switchesCombined focus/control ring and power zoom ring; no dedicated stabilisation switch
Zoom designBarrel extends as the lens zooms from 35 mm towards 15 mm (Cameralabs)Non-extending internal motorised zoom maintains the lens’s62mm length
Weather resistanceDust and water resistant construction; Canon states this cannot completely prevent dust or droplets enteringMaker FAQ explicitly states no dust or drip resistant construction
Dimensions detailApproximately 88.5 mm maximum diameter × 126.8 mm length, retractedApproximately69.6mm maximum diameter ×62mm length
Weight detailApproximately 840 g lensApproximately181g lens, per maker; Ken Rockwell measured179.1g
Lens hoodEW-88F petal hood includedEW-63C, sold separately
In the boxLens, E-82 II front cap, RF dust cap, EW-88F hood and LP1222 caseUK maker store lists lens, E-58 II front cap, Lens Dust Cap RF and user manual
Release detailSeptember 2019 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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