Descripción
Ultra-Wide f/1.4 L Prime for Canon RF Full-Frame Cameras
Overview
The Canon RF 14mm f/1.4 L VCM is a rectilinear ultra-wide prime that opens all the way to f/1.4 — a combination that until now meant choosing between reach into the dark and straight lines. Fluorite, BR and UD elements keep aberration under control at the edges, and a dedicated iris ring plus reduced focus breathing make it as much a cinema lens as a stills one.
Key features
Ultra-wide without distortion
- Rectilinear 14mm design: straight lines stay straight, which is what separates this from a fisheye when you photograph architecture and interiors.
- 114° diagonal angle of view: 104° horizontal and 81° vertical on full frame — enough to work in genuinely confined spaces.
f/1.4 at 14mm
- Maximum aperture f/1.4: gathers the light that astrophotography needs, and buys faster shutter speeds and lower ISO everywhere else.
- 11-blade circular aperture: rounded out-of-focus highlights, and 22-point starbursts when stopped down against point light sources.
Optical construction
- 18 elements in 13 groups: including one fluorite, one UD, one BR and three GMo aspherical elements.
- BR element: Canon's Blue Spectrum Refractive optics attack the axial chromatic aberration that ultra-wide fast primes normally show on high-contrast edges.
- SWC, ASC and Super Spectra coatings: two ASC layers plus SWC suppress the ghosting and flare that a bulbous front element invites.
Built for video as much as stills
- VCM autofocus: voice coil motor focusing, smooth and near-silent.
- Dedicated iris ring: aperture control by hand, without stepping, for filmmaking.
- Control ring: assignable to ISO, exposure compensation or shutter speed.
Handling
- 578 g: light for an ultra-wide f/1.4, which matters on a gimbal as much as on a hike.
- Integrated lens hood: built into the barrel, so there is nothing to lose or fit.
- Rear gelatin filter holder: the front element takes no threaded filters; filtration goes in at the back, 36.7 x 29.4 mm.
- Dust and moisture resistant, with a fluorine coating on the front element.
Specifications
- Mount: Canon RF
- Image size: full frame
- Focal length: 14mm
- Maximum aperture: f/1.4
- Minimum aperture: f/16
- Angle of view: 104° horizontal, 81° vertical, 114° diagonal
- Lens construction: 18 elements in 13 groups
- Special optics: 1x fluorite, 1x UD, 1x BR, 3x GMo aspherical
- Coatings: 2x ASC, SWC, Super Spectra; fluorine on the front element
- Diaphragm blades: 11, circular
- Closest focusing distance: 0.24 m
- Maximum magnification: 0.11x
- Autofocus actuator: VCM
- Rings: control ring and iris ring (video)
- Stabilisation: no optical IS; combined with in-body IS, CIPA 2024 gives centre 6.5 stops and corner 2.5 stops
- Filter: rear-mounted gelatin filter, 36.7 x 29.4 mm
- Lens hood: integrated into the barrel
- Extender compatibility: not compatible
- Dust and moisture resistance: yes
- Dimensions: 76.5 x 112 mm (maximum diameter x length)
- Weight: 578 g
What it is good for
- Astrophotography: f/1.4 at 14mm is the reason this lens exists — wide enough for the whole sky, fast enough to keep exposures short and stars round.
- Architecture and interiors: rectilinear drawing and a 114° diagonal handle rooms you cannot step back in.
- Landscape: foreground close enough to touch against a horizon that stays straight.
- Filmmaking: iris ring, suppressed focus breathing and near-silent VCM focus.

