Canon RF 45mm F1.2 STM vs Canon RF 7-14mm F2.8-3.5L FISHEYE STM

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RF 45mm F1.2 STM compared with RF 7-14mm F2.8-3.5L FISHEYE STM

	CanonRF 45mm F1.2 STM	CanonRF 7-14mm F2.8-3.5L FISHEYE STM
Overview
Released
Released	November 2025	February 2026
Optics
Lens type
Lens type	Prime	Zoom
Focal length
Focal length	45 mm	7–14 mm
Maximum aperture
Maximum aperture	f/1.2	f/2.8–3.5
Minimum aperture
Minimum aperture	f/16	f/22–29
Optical construction
Optical construction	Nine elements in seven groups	16 elements in 11 groups
Special elements
Special elements	One plastic-moulded aspherical element (Canon USA)	Five UD and two replica aspherical elements
Coatings
Coatings	Super Spectra coating	Three ASC coatings and Super Spectra; fluorine coating on the front element
Aperture detail
Aperture detail	f/1.2–16	f/2.8–22 at 7 mm and f/3.5–29 at 14 mm; maker minimum-aperture figures use 1/3-stop display
Diaphragm
Diaphragm	Nine aperture blades	Nine aperture blades
Angle of view
Angle of view	43°35′ horizontal, 29°50′ vertical and 51°20′ diagonal on full frame	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	Full frame
Compatibility
Compatibility	Canon EOS R cameras; full-frame image circle	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)
Teleconverter support
Teleconverter support	Canon RF extenders not compatible	Canon RF extenders not compatible
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	0.45 m	0.15 m (autofocus)
Maximum magnification
Maximum magnification	0.13×	0.35× (autofocus)
Optical stabilisation
Optical stabilisation	No	No
Autofocus detail
Autofocus detail	Gear-type STM autofocus with magnetic focus-position detection; full-time electronic manual focus	Leadscrew-type STM focusing with position sensors; full-time manual focus; maker rear-focusing design maintains length during focus
Focus distance detail
Focus distance detail	Minimum focusing distance 0.45 m; Canon does not separately specify AF/MF distances	Maker specifies 0.15 m throughout the 7–14 mm range in autofocus
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
Stabilisation detail
Stabilisation detail	No optical image stabilisation (Canon USA)	No lens optical IS; maker separately lists compatible camera IBIS at seven stops at the centre/14 mm under CIPA-2024 conditions
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	No	Yes
Filter diameter
Filter diameter	67 mm	–
Maximum diameter
Maximum diameter	78 mm	76.5 mm
Length
Length	75 mm	109.4 mm
Weight
Weight	346 g (better)	476 g
Controls
Controls	Separate focus and clickable control rings; AF/MF switch; no iris ring or lens function button (Canon USA)	Zoom, focus and customisable control rings; AF/MF switch, function button and zoom lock/limit control (Digital Camera World)
Zoom design
Zoom design	–	Internal zoom and focus retain the same physical lens length (Amateur Photographer; Digital Camera World)
Filter detail
Filter detail	67 mm front screw-in filter thread	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	No dust or weather resistant construction (Canon USA)	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
Dimensions detail
Dimensions detail	Approximately 78 mm maximum diameter × 75 mm length	Approximately 76.5 mm maximum diameter × 109.4 mm length, excluding detachable hood
Weight detail
Weight detail	Approximately 346 g lens	Approximately 476 g lens
Lens hood
Lens hood	Optional ES-73B hood and LP1116 case; E-67 II front cap and Lens Dust Cap RF listed by Canon	Detachable EW-76; remove for circular fisheye shooting to avoid the hood entering the image (Amateur Photographer; Digital Camera World)
In the box
In the box	Front and rear lens caps (Amateur Photographer); hood not included	Drop-in clear filter included
Release detail
Release detail	Canon Japan's 14 November 2025 notice confirms first sale on 28 November 2025; Photography Blog instead reports availability from 20 November without a matching regional maker day, so no UK date is inferred	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