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Canon RF 14mm F1.4L VCM vs Canon RF 16mm F2.8 STM

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

CanonRF 14mm F1.4L VCMCanonRF 16mm F2.8 STM
Overview
ReleasedFebruary 2026October 2021
Optics
Lens typePrimePrime
Focal length14 mm16 mm
Maximum aperturef/1.4f/2.8
Minimum aperturef/16f/22
Optical construction18 elements in 13 groupsNine elements in seven groups
Special elementsOne fluorite, one UD, one BR and three glass-moulded aspherical elementsOne aspherical element
CoatingsTwo ASC coatings, SWC and Super Spectra; fluorine coating on the front element–
Aperture detailf/1.4–16; iris ring supports stepless aperture control in video, with stills compatibility dependent on camera model–
Diaphragm11 circular aperture bladesSeven blades
Angle of view104° horizontal, 81° vertical and 114° diagonal on full frame–
ProjectionRectilinear ultra-wide design–
Mount and compatibility
MountsCanon RFCanon RF
Image circleFull frameFull frame
CompatibilityCanon EOS R cameras; full-frame image circle; iris-ring functions depend on the camera and firmwareCanon RF mount, full-frame image circle; RF extenders and EF extension tubes not compatible
Teleconverter supportCanon RF extenders not compatible–
Focus and stabilisation
AutofocusYesYes
Minimum focus distance0.24 m0.13 m
Maximum magnification0.11×0.26×
Optical stabilisationNoNo
Autofocus detailVoice Coil Motor autofocus; electronic manual focus ring; maker rear-focus design maintains lens length during focusingSTM autofocus and electronic manual focusing
Focus distance detail–Minimum focusing distance 0.13 m; inner barrel extends when powered and during focusing
Magnification detail–Maximum 0.26× reproduction
Stabilisation detailNo 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 conditionsNo optical IS, per OpticalLimits and Cameralabs; compatible camera stabilisation is separate
Video featuresStepless 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 resistantYesNo
Filter diameter–43 mm
Maximum diameter76.5 mm69.2 mm
Length112 mm40.2 mm
Weight578 g165 g
ControlsCustomisable control ring, electronic focus ring, iris ring with Auto-position lock, AF/MF switch and custom function button (controls confirmed by Digital Camera World)Combined focus/control ring and function switch; Cameralabs notes manual focus also needs selecting in camera settings
Filter detailNo front screw-in filter thread; rear gelatin-filter holder for 36.7 × 29.4 mm filtersOnly one filter at a time; Canon 250D/500D close-up lenses and PL-C B circular polariser not compatible
Weather resistanceDust 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 inferredOpticalLimits and Cameralabs report no weather sealing
Dimensions detailApproximately 76.5 mm maximum diameter × 112 mm length; integral hoodApproximately 69.2 mm maximum diameter × 40.2 mm length, retracted
Weight detailApproximately 578 g lensApproximately 165 g lens
Lens hoodBuilt into the lens barrel; maker lists lens cap 14B, Lens Dust Cap RF and pouch LP1219 as accessoriesEW-65C, sold separately
In the box–Lens, EF-43 front cap, RF lens dust cap and user manual kit
Release detailCanon Japan specifies first sale on 20 February 2026; US announcement expected availability by the end of February, rather than the same exact regional dayOctober 2021 marketed month in Canon Camera Museum

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