Canon RF 20-50mm F4L IS USM PZ vs Canon RF-S 14–30mm F4–6.3 IS STM PZ

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RF 20-50mm F4L IS USM PZ compared with RF-S 14–30mm F4–6.3 IS STM PZ

	CanonRF 20-50mm F4L IS USM PZ	CanonRF-S 14–30mm F4–6.3 IS STM PZ
Overview
Released
Released	June 2026	April 2025
Optics
Lens type
Lens type	Zoom	Zoom
Focal length
Focal length	20–50 mm	14–30 mm
Maximum aperture
Maximum aperture	f/4	f/4–6.3
Minimum aperture
Minimum aperture	f/22	f/22–38
Optical construction
Optical construction	13 elements in 11 groups	10 elements in nine groups
Special elements
Special elements	Two glass-moulded aspherical and three UD elements	–
Coatings
Coatings	ASC and Super Spectra; fluorine coating on the front element	Super Spectra coating
Aperture detail
Aperture detail	Constant maximum f/4, minimum f/22 throughout the range	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
Diaphragm
Diaphragm	Nine aperture blades	Seven blades
Angle of view
Angle of view	Horizontal 84°–40°, vertical 62°–27° and diagonal 94°–46° on full frame	–
Mount and compatibility
Mounts
Mounts	Canon RF	Canon RF
Image circle
Image circle	Full frame	APS-C
Compatibility
Compatibility	Canon EOS R cameras; full-frame image circle; power-zoom control from camera body or remote devices depends on compatible model and firmware	Canon RF mount, APS-C image circle; UK maker lists compatible full-frame EOS R bodies with crop restrictions
Image circle detail
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 support
Teleconverter support	Canon RF extenders not compatible	–
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	0.24 m	0.15 m
Maximum magnification
Maximum magnification	0.33×	0.38×
Optical stabilisation
Optical stabilisation	Yes	Yes
Autofocus detail
Autofocus detail	Nano USM autofocus; full-time manual focus; maker rear-focus design retains length during focusing	STM autofocus; combined electronic focus/control ring. No dedicated AF/MF switch
Focus distance detail
Focus distance detail	–	Maker minimum focus0.15m throughout the zoom range; no AF/MF distinction published in the specification table
Magnification detail
Magnification detail	Maker maximum magnification 0.14× at 20 mm or 0.33× at 50 mm; no AF/MF mode specified in the table	0.17× at14mm and0.38× at30mm
Stabilisation detail
Stabilisation detail	Maker six-stop optical IS or combined camera/lens eight stops at centre and corners under CIPA-2024, at maximum focal length with its specified camera; not guaranteed in every shooting setup	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
Video features	Internal multi-speed power zoom and optically suppressed focus breathing; zoom ring switches between powered and conventional manual operation	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
Dust and moisture resistant	Yes	No
Filter diameter
Filter diameter	67 mm	58 mm
Maximum diameter
Maximum diameter	79.9 mm	69.6 mm
Length
Length	98.4 mm	62 mm
Weight
Weight	420 g	181 g (better)
Controls
Controls	Customisable control ring, focus ring and zoom ring; PZ/MZ selector, custom button, AF/MF and stabiliser switches (Digital Camera World; ePHOTOzine)	Combined focus/control ring and power zoom ring; no dedicated stabilisation switch
Zoom design
Zoom design	Internal zoom/focus keeps barrel length fixed; ePHOTOzine describes conventional mechanical manual zoom, while Digital Camera World's prose calls it fly-by-wire; no silent choice between those reviewer descriptions	Non-extending internal motorised zoom maintains the lens’s62mm length
Filter detail
Filter detail	67 mm front screw-in filter thread	–
Weather resistance
Weather resistance	Dust and moisture resistant with mount gasket; maker warns camera attachment is required and protection cannot prevent all dust or water ingress; no waterproof/IP rating inferred	Maker FAQ explicitly states no dust or drip resistant construction
Dimensions detail
Dimensions detail	Approximately 79.9 mm maximum diameter × 98.4 mm length	Approximately69.6mm maximum diameter ×62mm length
Weight detail
Weight detail	Approximately 420 g lens	Approximately181g lens, per maker; Ken Rockwell measured179.1g
Lens hood
Lens hood	ES-73B; maker lists E-67 II cap, Lens Dust Cap RF and LP1219 pouch as accessories	EW-63C, sold separately
In the box
In the box	–	UK maker store lists lens, E-58 II front cap, Lens Dust Cap RF and user manual
Release detail
Release detail	Canon Japan's 11 June 2026 notice confirms first sale from 26 June 2026, resolving the earlier late-June launch wording	Canon 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