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Canon RF 24–50mm F4.5–6.3 IS STM vs Canon RF 7-14mm F2.8-3.5L FISHEYE STM

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

Better figure, where one is clearly better

CanonRF 24–50mm F4.5–6.3 IS STMCanonRF 7-14mm F2.8-3.5L FISHEYE STM
Overview
ReleasedApril 2023February 2026
Optics
Lens typeZoomZoom
Focal length24–50 mm7–14 mm
Maximum aperturef/4.5–6.3f/2.8–3.5
Minimum aperturef/22–32f/22–29
Optical constructionEight elements in eight groups16 elements in 11 groups
Special elementsTwo plastic-moulded aspherical elements; Super Spectra coating; no fluorine coatingFive UD and two replica aspherical elements
Coatings–Three ASC coatings and Super Spectra; fluorine coating on the front element
Aperture detailMinimum f/22 at 24 mm and f/32 at 50 mmf/2.8–22 at 7 mm and f/3.5–29 at 14 mm; maker minimum-aperture figures use 1/3-stop display
DiaphragmSeven blades, circular apertureNine aperture blades
Angle of view–Horizontal 190°–149°45′, vertical 190°–99°50′ and diagonal 190°–180° on full frame
Projection–Circular 190° fisheye at 7 mm and frame-filling diagonal 180° fisheye at 14 mm on full frame; circular mode uses equidistant projection; neither is rectilinear
Mount and compatibility
MountsCanon RFCanon RF
Image circleFull frameFull frame
CompatibilityFull-frame Canon RF mount; compatible with APS-C EOS R bodies; RF extenders and EF extension tubes not compatibleCanon EOS R full-frame or APS-C cameras; APS-C cannot show the complete circular image and uses approximately 8.7 mm for diagonal coverage (Digital Camera World)
Teleconverter support–Canon RF extenders not compatible
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.3 m0.15 m (autofocus)
Maximum magnification0.19×0.35× (autofocus)
Optical stabilisationYesNo
Autofocus detailLead-screw STM autofocusLeadscrew-type STM focusing with position sensors; full-time manual focus; maker rear-focusing design maintains length during focus
Focus distance detailMinimum 0.30 m at 24 mm and 0.35 m at 50 mmMaker specifies 0.15 m throughout the 7–14 mm range in autofocus
Magnification detailMaximum 0.11× at 24 mm and 0.19× at 50 mmMaximum 0.35× at 14 mm in autofocus, measured at the image centre; do not assume identical magnification across a fisheye image
Stabilisation detailOptical IS rated 4.5 stops on EOS R at 50 mm under CIPA, yaw/pitch; coordinated IS rated seven stops on EOS R5 at 50 mm in the UK specifications and on EOS R3 in Camera Museum, under CIPA, yaw/pitchNo lens optical IS; maker separately lists compatible camera IBIS at seven stops at the centre/14 mm under CIPA-2024 conditions
Video features–Circular fisheye material can be converted to monoscopic 2D 180° VR with EOS VR Utility on supported cameras; not a stereoscopic dual-fisheye lens; conversion compatibility depends on body and recording format
Design
Dust and moisture resistantNoYes
Filter diameter58 mm–
Maximum diameter69.6 mm76.5 mm
Length58 mm109.4 mm
Weight210 g476 g
ControlsCombined focus/control ring with AF/Control/MF selector, zoom ring and IS on/off switchZoom, focus and customisable control rings; AF/MF switch, function button and zoom lock/limit control (Digital Camera World)
Zoom designRetractable barrel; lens must be extended for shootingInternal zoom and focus retain the same physical lens length (Amateur Photographer; Digital Camera World)
Filter detail–No front screw-in filter thread; rear Drop-in Filter A system; supplied clear filter and optional Drop-in Variable ND Filter A or Drop-in Circular Polarizing Filter A
Weather resistanceNo weather seals, reported by Dustin Abbott and Digital Camera WorldDust and moisture resistant with mount gasket; Canon states attachment to a camera is needed and protection does not prevent all dust or water ingress; no waterproof/IP claim
Dimensions detailApproximately 69.6 mm maximum diameter × 58 mm length, retractedApproximately 76.5 mm maximum diameter × 109.4 mm length, excluding detachable hood
Weight detailApproximately 210 g lensApproximately 476 g lens
Lens hoodEW-63C hood and LP1014 pouch, neither bundledDetachable EW-76; remove for circular fisheye shooting to avoid the hood entering the image (Amateur Photographer; Digital Camera World)
In the boxLens, E-58 II front cap, RF lens dust cap and user manualDrop-in clear filter included
Release detailApril 2023 marketed month in Canon Camera MuseumCanon Japan specifies first sale on 20 February 2026; US announcement expected availability by the end of February, rather than the same exact regional day

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