Canon RF 7-14mm F2.8-3.5L FISHEYE STM vs Canon RF-S 10–18mm F4.5–6.3 IS STM

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RF 7-14mm F2.8-3.5L FISHEYE STM compared with RF-S 10–18mm F4.5–6.3 IS STM

	CanonRF 7-14mm F2.8-3.5L FISHEYE STM	CanonRF-S 10–18mm F4.5–6.3 IS STM
Overview
Released
Released	February 2026	November 2023
Optics
Lens type
Lens type	Zoom	Zoom
Focal length
Focal length	7–14 mm	10–18 mm
Maximum aperture
Maximum aperture	f/2.8–3.5	f/4.5–6.3
Minimum aperture
Minimum aperture	f/22–29	f/22–32
Optical construction
Optical construction	16 elements in 11 groups	Twelve elements in ten groups
Special elements
Special elements	Five UD and two replica aspherical elements	Two UD elements and one plastic-moulded aspherical element; Super Spectra coating
Coatings
Coatings	Three ASC coatings and Super Spectra; fluorine coating on the front element	–
Aperture detail
Aperture detail	f/2.8–22 at 7 mm and f/3.5–29 at 14 mm; maker minimum-aperture figures use 1/3-stop display	Maximum f/4.5 at 10 mm and f/6.3 at 18 mm; minimum f/22–32
Diaphragm
Diaphragm	Nine aperture blades	Seven blades
Angle of view
Angle of view	Horizontal 190°–149°45′, vertical 190°–99°50′ and diagonal 190°–180° on full frame	–
Projection
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
Mounts
Mounts	Canon RF	Canon RF
Image circle
Image circle	Full frame	APS-C
Compatibility
Compatibility	Canon 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)	Canon RF mount with APS-C image circle; full-frame EOS R bodies crop to APS-C; RF extenders not compatible
Teleconverter support
Teleconverter support	Canon RF extenders not compatible	–
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	0.15 m (autofocus)	0.086 m (manual focus)
Maximum magnification
Maximum magnification	0.35× (autofocus)	0.5× (manual focus)
Optical stabilisation
Optical stabilisation	No	Yes
Autofocus detail
Autofocus detail	Leadscrew-type STM focusing with position sensors; full-time manual focus; maker rear-focusing design maintains length during focus	Lead-screw STM autofocus and electronic manual focusing; supports compatible cameras' electronic movie focus-breathing correction
Focus distance detail
Focus distance detail	Maker specifies 0.15 m throughout the 7–14 mm range in autofocus	Autofocus minimum 0.14 m throughout 10–18 mm; manual-focus minimum 0.086 m at 10 mm
Magnification detail
Magnification detail	Maximum 0.35× at 14 mm in autofocus, measured at the image centre; do not assume identical magnification across a fisheye image	Autofocus maximum 0.23× at 18 mm; manual-focus maximum 0.5× at 10 mm
Stabilisation detail
Stabilisation detail	No lens optical IS; maker separately lists compatible camera IBIS at seven stops at the centre/14 mm under CIPA-2024 conditions	Optical IS rated four stops with EOS R10 at 18 mm under CIPA, yaw/pitch; coordinated IS rated six stops with EOS R7 at 18 mm under CIPA, yaw/pitch
Video features
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 resistant
Dust and moisture resistant	Yes	No
Filter diameter
Filter diameter	–	49 mm
Maximum diameter
Maximum diameter	76.5 mm	69 mm
Length
Length	109.4 mm	44.9 mm
Weight
Weight	476 g	150 g (better)
Controls
Controls	Zoom, focus and customisable control rings; AF/MF switch, function button and zoom lock/limit control (Digital Camera World)	Combined focus/control ring and zoom ring; AF/MF and IS controlled through camera settings
Zoom design
Zoom design	Internal zoom and focus retain the same physical lens length (Amateur Photographer; Digital Camera World)	Retractable barrel; lens must be extended for shooting; designed to use camera electronic distortion correction
Filter detail
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 resistance
Weather resistance	Dust 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	No dust or moisture resistance
Dimensions detail
Dimensions detail	Approximately 76.5 mm maximum diameter × 109.4 mm length, excluding detachable hood	Approximately 69 mm maximum diameter × 44.9 mm length, retracted
Weight detail
Weight detail	Approximately 476 g lens	Approximately 150 g lens
Lens hood
Lens hood	Detachable EW-76; remove for circular fisheye shooting to avoid the hood entering the image (Amateur Photographer; Digital Camera World)	EW-53B hood and LP814 pouch, sold separately
In the box
In the box	Drop-in clear filter included	Lens, E-49 front cap, RF lens dust cap and user manual
Release detail
Release detail	Canon Japan specifies first sale on 20 February 2026; US announcement expected availability by the end of February, rather than the same exact regional day	November 2023 marketed month in Canon Camera Museum; Japan announcement specified early December 2023 regional availability