Canon RF 7-14mm F2.8-3.5L FISHEYE STM vs Canon RF-S 18–45mm F4.5–6.3 IS STM

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RF 7-14mm F2.8-3.5L FISHEYE STM compared with RF-S 18–45mm F4.5–6.3 IS STM

	CanonRF 7-14mm F2.8-3.5L FISHEYE STM	CanonRF-S 18–45mm F4.5–6.3 IS STM
Overview
Released
Released	February 2026	June 2022
Optics
Lens type
Lens type	Zoom	Zoom
Focal length
Focal length	7–14 mm	18–45 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	Seven elements in seven groups
Special elements
Special elements	Five UD and two replica aspherical elements	Two plastic-moulded aspherical elements; Super Spectra coating; no fluorine 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	Minimum f/22 at 18 mm and f/32 at 45 mm, per UK and Japan specifications; Camera Museum table lists f/18 at 18 mm
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 and EF extension tubes 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)	0.15 m (manual focus)
Maximum magnification
Maximum magnification	0.35× (autofocus)	0.26× (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	STM autofocus and electronic manual focusing
Focus distance detail
Focus distance detail	Maker specifies 0.15 m throughout the 7–14 mm range in autofocus	Autofocus minimum 0.20 m at 18 mm, 0.30 m at 35 mm and 0.35 m at 45 mm; manual-focus minimum 0.15 m, 0.24 m and 0.25 m at those focal lengths
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 0.14× at 18 mm, 0.15× at 35 mm and 0.16× at 45 mm; manual-focus maximum 0.25×, 0.21× and 0.26× respectively
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 45 mm under CIPA, yaw/pitch; coordinated IS rated 6.5 stops with EOS R7 at 45 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	44.3 mm
Weight
Weight	476 g	130 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
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 × 44.3 mm length, retracted
Weight detail
Weight detail	Approximately 476 g lens	Approximately 130 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-53 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	June 2022 marketed month in Canon Camera Museum