Canon RF 100–300mm F2.8L IS USM vs Canon RF 14mm F1.4L VCM

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RF 100–300mm F2.8L IS USM compared with RF 14mm F1.4L VCM

	CanonRF 100–300mm F2.8L IS USM	CanonRF 14mm F1.4L VCM
Overview
Released
Released	May 2023	February 2026
Optics
Lens type
Lens type	Zoom	Prime
Focal length
Focal length	100–300 mm	14 mm
Maximum aperture
Maximum aperture	f/2.8	f/1.4
Minimum aperture
Minimum aperture	f/22	f/16
Optical construction
Optical construction	Twenty-three elements in eighteen groups	18 elements in 13 groups
Special elements
Special elements	One fluorite, four UD and one glass-moulded aspherical element	One fluorite, one UD, one BR and three glass-moulded aspherical elements
Coatings
Coatings	Super Spectra, ASC and fluorine coatings	Two ASC coatings, SWC and Super Spectra; fluorine coating on the front element
Aperture detail
Aperture detail	Constant maximum f/2.8; minimum f/22	f/1.4–16; iris ring supports stepless aperture control in video, with stills compatibility dependent on camera model
Diaphragm
Diaphragm	Nine blades	11 circular aperture blades
Angle of view
Angle of view	Full-frame diagonal 24°–8°15′; horizontal 20°–6°50′; vertical 14°–4°35′	104° horizontal, 81° vertical and 114° diagonal on full frame
Projection
Projection	–	Rectilinear ultra-wide design
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 cameras; full-frame image circle; iris-ring functions depend on the camera and firmware
Teleconverter support
Teleconverter support	RF 1.4× gives 140–420 mm f/4; RF 2× gives 200–600 mm f/5.6	Canon RF extenders not compatible
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	1.8 m	0.24 m
Maximum magnification
Maximum magnification	0.16×	0.11×
Optical stabilisation
Optical stabilisation	Yes	No
Autofocus detail
Autofocus detail	Two Nano USM motors independently drive the electronic floating-focus groups; full-time electronic manual focus	Voice Coil Motor autofocus; electronic manual focus ring; maker rear-focus design maintains lens length during focusing
Focus distance detail
Focus distance detail	1.8 m minimum focus throughout the zoom range; limiter selects full range or 6 m–infinity	–
Magnification detail
Magnification detail	0.06× at 100 mm and 0.16× at 300 mm	–
Stabilisation detail
Stabilisation detail	Canon rates lens optical IS at 5.5 stops under CIPA conditions, and coordinated IS at up to 6 stops with EOS R5 and compatible bodies	No lens optical IS; maker lists camera IBIS CIPA-2024 performance of 6.5 stops at the centre and 2.5 at the corners, subject to the compatible camera/test conditions
Video features
Video features	–	Stepless iris ring; Canon Japan identifies EOS R1/EOS R5 Mark II stills iris-ring support; the US launch also names EOS R6 Mark III; do not assume the same support on every EOS R body
Design
Dust and moisture resistant
Dust and moisture resistant	Yes	Yes
Filter diameter
Filter diameter	112 mm	–
Maximum diameter
Maximum diameter	128 mm	76.5 mm
Length
Length	323.4 mm	112 mm
Weight
Weight	2,590 g	578 g (better)
Controls
Controls	Separate focus, zoom and clicking control rings; front lens-function buttons and focus-preset controls	Customisable control ring, electronic focus ring, iris ring with Auto-position lock, AF/MF switch and custom function button (controls confirmed by Digital Camera World)
Zoom design
Zoom design	Internal zoom maintains barrel length	–
Filter detail
Filter detail	112 mm front screw-in thread; no rear drop-in filter	No front screw-in filter thread; rear gelatin-filter holder for 36.7 × 29.4 mm filters
Weather resistance
Weather resistance	Dust- and moisture-resistant construction with heat-blocking white paint	Dust and moisture resistant structure with mount gasket; Canon states resistance requires attachment to a camera and cannot prevent all dust or water ingress; no IP rating inferred
Dimensions detail
Dimensions detail	128 mm maximum diameter × 323.4 mm length	Approximately 76.5 mm maximum diameter × 112 mm length; integral hood
Weight detail
Weight detail	Approximately 2,590 g, as listed by Canon UK, Canon Japan and Canon Camera Museum	Approximately 578 g lens
Tripod mount
Tripod mount	Rotating tripod collar with support foot	–
Lens hood
Lens hood	ET-124 included	Built into the lens barrel; maker lists lens cap 14B, Lens Dust Cap RF and pouch LP1219 as accessories
In the box
In the box	Lens, E-112 front cap, RF dust cap, ET-124 hood, LS100-300 soft case and user manual	–
Release detail
Release detail	May 2023 first release confirmed by Canon's June 2023 retrospective announcement and 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