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

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

	CanonRF 28–70mm F2.8 IS STM	CanonRF 7-14mm F2.8-3.5L FISHEYE STM
Overview
Released
Released	September 2024	February 2026
Optics
Lens type
Lens type	Zoom	Zoom
Focal length
Focal length	28–70 mm	7–14 mm
Maximum aperture
Maximum aperture	f/2.8	f/2.8–3.5
Minimum aperture
Minimum aperture	f/22	f/22–29
Optical construction
Optical construction	15 elements in 12 groups	16 elements in 11 groups
Special elements
Special elements	Two UD elements and two GMo aspherical elements	Five UD and two replica aspherical elements
Coatings
Coatings	Super Spectra; no fluorine coating, per UK maker specification	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 blades	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	Full-frame image circle, Canon RF mount; incompatible with EF DSLRs and EOS M bodies. Canon RF extenders not compatible	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	0.24 m (manual focus)	0.15 m (autofocus)
Maximum magnification
Maximum magnification	0.24×	0.35× (autofocus)
Optical stabilisation
Optical stabilisation	Yes	No
Autofocus detail
Autofocus detail	Lead-screw STM with magnetic motor-speed sensor and feedback control, 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 focus at 28 mm is 0.27 m in AF or 0.24 m in MF; main figure retains the closer MF mode	Maker specifies 0.15 m throughout the 7–14 mm range in autofocus
Magnification detail
Magnification detail	Maximum 0.24× at 70 mm in either AF or MF	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	Lens optical IS rated 5.5 central stops at 70 mm with EOS R8, yaw/pitch under CIPA2024. Japan current feature page rates coordinated EOS R6 Mark II body/lens IS 7.5 central and 7.0 peripheral stops, yaw/pitch/roll; original press release gives the same coordinated rating with EOS R1	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	Smooth STM movie focusing; compatible camera breathing correction is digital. Cameralabs observes uncorrected focus breathing, more visible at 28 mm	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	67 mm	–
Maximum diameter
Maximum diameter	76.5 mm	76.5 mm
Length
Length	92.2 mm	109.4 mm
Weight
Weight	490 g	476 g (better)
Controls
Controls	Shared focus/control ring with AF/control/MF selector; separate zoom ring and stabilisation switch	Zoom, focus and customisable control rings; AF/MF switch, function button and zoom lock/limit control (Digital Camera World)
Zoom design
Zoom design	Retractable barrel must be extended to 28 mm before shooting; length 92.2 mm stored, 112.4 mm at 28 mm and 138.9 mm at 70 mm, per Japan maker table	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	UK maker states dust/moisture resistance, including rubber mount seal; no waterproof rating published	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	Maximum diameter 76.5 mm; 92.2 mm length when retracted	Approximately 76.5 mm maximum diameter × 109.4 mm length, excluding detachable hood
Weight detail
Weight detail	UK current specification and store state 490 g; Japan current table, Camera Museum and original press release state 495 g. Main value follows UK specification; no undocumented regional variant inferred	Approximately 476 g lens
Lens hood
Lens hood	EW-73D, sold separately	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	UK maker store lists lens, E-67 II front cap, rear dust cap and user manual	Drop-in clear filter included
Release detail
Release detail	September 2024 marketed month in Canon Camera Museum; original maker release specifies 27 September in Japan. No exact worldwide first-sale day inferred; no successor link inferred across co-sold standard zooms	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