Canon RF 50mm F1.2 L USM vs Canon RF 7-14mm F2.8-3.5L FISHEYE STM

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RF 50mm F1.2 L USM compared with RF 7-14mm F2.8-3.5L FISHEYE STM

	CanonRF 50mm F1.2 L USM	CanonRF 7-14mm F2.8-3.5L FISHEYE STM
Overview
Released
Released	October 2018	February 2026
Optics
Lens type
Lens type	Prime	Zoom
Focal length
Focal length	50 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	Fifteen elements in nine groups	16 elements in 11 groups
Special elements
Special elements	One UD element, two ground and polished aspherical elements and one glass-moulded aspherical element; Air Sphere Coating	Five UD and two replica aspherical elements
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
Diaphragm
Diaphragm	Ten blades with circular aperture	Nine aperture 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	Full frame
Compatibility
Compatibility	Canon RF mount for full-frame and APS-C EOS R cameras; not compatible with EOS DSLRs	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
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	0.4 m	0.15 m (autofocus)
Maximum magnification
Maximum magnification	0.19×	0.35× (autofocus)
Optical stabilisation
Optical stabilisation	No	No
Autofocus detail
Autofocus detail	Ring-type USM; electronic manual focusing with full-time manual override	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 focus 0.4 m; focus limiter selects full range or 0.8 m–infinity (Cameralabs)	Maker specifies 0.15 m throughout the 7–14 mm range in autofocus
Magnification detail
Magnification detail	Maximum 0.19×	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 stabiliser (Cameralabs)	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	Yes	Yes
Filter diameter
Filter diameter	77 mm	–
Maximum diameter
Maximum diameter	89.8 mm	76.5 mm
Length
Length	108 mm	109.4 mm
Weight
Weight	950 g	476 g (better)
Controls
Controls	Electronic manual-focus and customisable control rings; AF/MF and focus-limiter switches	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	–	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 construction	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 89.8 mm maximum diameter × 108 mm length	Approximately 76.5 mm maximum diameter × 109.4 mm length, excluding detachable hood
Weight detail
Weight detail	Approximately 950 g lens	Approximately 476 g lens
Lens hood
Lens hood	ES-83 hood included	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	Lens, E-77 II front cap, RF dust cap, ES-83 hood, LP1319 case and user manual	Drop-in clear filter included
Release detail
Release detail	October 2018 marketed month in Canon Camera Museum	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