Canon RF 28–70mm F2 L USM vs Canon RF 7-14mm F2.8-3.5L FISHEYE STM

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RF 28–70mm F2 L USM compared with RF 7-14mm F2.8-3.5L FISHEYE STM

	CanonRF 28–70mm F2 L USM	CanonRF 7-14mm F2.8-3.5L FISHEYE STM
Overview
Released
Released	December 2018	February 2026
Optics
Lens type
Lens type	Zoom	Zoom
Focal length
Focal length	28–70 mm	7–14 mm
Maximum aperture
Maximum aperture	f/2	f/2.8–3.5
Minimum aperture
Minimum aperture	f/22	f/22–29
Optical construction
Optical construction	Nineteen elements in thirteen groups	16 elements in 11 groups
Special elements
Special elements	Two ground and polished aspherical elements, two glass-moulded aspherical elements, one Super UD and two UD elements	Five UD and two replica aspherical elements
Coatings
Coatings	SWC and ASC coatings; front and rearmost surface fluorine 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	Nine aperture blades	Nine aperture blades
Angle of view
Angle of view	75°–34° diagonal	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	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	0.39 m	0.15 m (autofocus)
Maximum magnification
Maximum magnification	0.18×	0.35× (autofocus)
Optical stabilisation
Optical stabilisation	No	No
Autofocus detail
Autofocus detail	USM autofocus with full-time manual override; ring-type USM drive (OpticalLimits)	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 0.39 m	Maker specifies 0.15 m throughout the 7–14 mm range in autofocus
Magnification detail
Magnification detail	Maximum 0.18×	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 stabiliser (OpticalLimits and Digital Camera World)	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	95 mm	–
Maximum diameter
Maximum diameter	103.8 mm	76.5 mm
Length
Length	139.8 mm	109.4 mm
Weight
Weight	1,430 g	476 g (better)
Controls
Controls	Separate zoom, electronic manual-focus and customisable lens control rings	Zoom, focus and customisable control rings; AF/MF switch, function button and zoom lock/limit control (Digital Camera World)
Zoom design
Zoom design	Barrel extends towards the long end of the zoom range (OpticalLimits)	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 with front and rear fluorine coatings	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	103.8 mm maximum diameter × 139.8 mm length with barrel retracted	Approximately 76.5 mm maximum diameter × 109.4 mm length, excluding detachable hood
Weight detail
Weight detail	Approximately 1430 g lens	Approximately 476 g lens
Lens hood
Lens hood	EW-103 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-95 front cap, RF dust cap, EW-103 hood, LP1424 lens case and user manual	Drop-in clear filter included
Release detail
Release detail	December 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