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Canon RF 16mm F2.8 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 16mm F2.8 STMCanonRF-S 14–30mm F4–6.3 IS STM PZ
Overview
ReleasedOctober 2021April 2025
Optics
Lens typePrimeZoom
Focal length16 mm14–30 mm
Maximum aperturef/2.8f/4–6.3
Minimum aperturef/22f/22–38
Optical constructionNine elements in seven 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 aspherical element–
DiaphragmSeven bladesSeven blades
Mount and compatibility
MountsCanon RFCanon RF
Image circleFull frameAPS-C
CompatibilityCanon RF mount, full-frame image circle; RF extenders and EF extension tubes 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 distance0.13 m0.15 m
Maximum magnification0.26×0.38×
Optical stabilisationNoYes
Autofocus detailSTM autofocus and electronic manual focusingSTM autofocus; combined electronic focus/control ring. No dedicated AF/MF switch
Focus distance detailMinimum focusing distance 0.13 m; inner barrel extends when powered and during focusingMaker minimum focus0.15m throughout the zoom range; no AF/MF distinction published in the specification table
Magnification detailMaximum 0.26× reproduction0.17× at14mm and0.38× at30mm
Stabilisation detailNo optical IS, per OpticalLimits and Cameralabs; compatible camera stabilisation is separateLens 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 resistantNoNo
Filter diameter43 mm58 mm
Maximum diameter69.2 mm69.6 mm
Length40.2 mm62 mm
Weight165 g181 g
ControlsCombined focus/control ring and function switch; Cameralabs notes manual focus also needs selecting in 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 detailOnly one filter at a time; Canon 250D/500D close-up lenses and PL-C B circular polariser not compatible–
Weather resistanceOpticalLimits and Cameralabs report no weather sealingMaker FAQ explicitly states no dust or drip resistant construction
Dimensions detailApproximately 69.2 mm maximum diameter × 40.2 mm length, retractedApproximately69.6mm maximum diameter ×62mm length
Weight detailApproximately 165 g lensApproximately181g lens, per maker; Ken Rockwell measured179.1g
Lens hoodEW-65C, sold separatelyEW-63C, sold separately
In the boxLens, EF-43 front cap, RF lens dust cap and user manual kitUK maker store lists lens, E-58 II front cap, Lens Dust Cap RF and user manual
Release detailOctober 2021 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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