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Sigma 14mm f/1.8 DG HSM A (Art) Full Frame Lens for Canon EF-Mount
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$1,291.00
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14mm f/1.8 prime that rewrote wide-angle expectations
No other rectilinear prime lens reaches f/1.8 at 14mm, that combination remains singular in the market. Sigma's Art line version runs 16 elements across 11 groups, with three FLD fluorite-equivalent elements and four SLD special low-dispersion elements working together to suppress chromatic aberration across the full frame. The 9-blade rounded diaphragm produces smooth out-of-focus transitions at a focal length where most photographers never expect any subject separation at all.
The HSM ring-type ultrasonic motor drives autofocus quickly and quietly, and the internal focusing design means the front element stays put, useful when a petal hood is locked onto the bulbous front glass. Full-time manual override lets you nudge focus without flipping any switches. At 27cm minimum focus distance and 0.1x magnification, you can get close enough to foreground elements to give wide environmental shots real depth. Compatibility with the Sigma USB Dock means AF calibration and firmware updates are handled at home than through a service center.
At 1,170g, this is not a light kit lens, it's a precision tool built for photographers who need both extreme width and low-light capability in the same frame, and it has earned that weight.
Who It's For
Astrophotographers shooting the Milky Way will find f/1.8 at 14mm pulls in more light per frame than any competing rectilinear wide prime, making it a direct performance upgrade over slower options. Landscape photographers working in low-contrast pre-dawn or post-dusk conditions benefit from that same aperture range paired with the FLD and SLD glass that keeps star points and bright light sources clean across the corners. Photojournalists and documentary shooters working in dim interiors need a lens this wide to place a subject in full environmental context without flash, f/1.8 makes that viable. Event and nightlife photographers covering tight, dark venues will also find the focal length-aperture pairing hard to replicate with any zoom.
Key Features
- 14mm focal length with f/1.8 maximum aperture, unique in rectilinear prime design
- 16 elements in 11 groups with three FLD and four SLD special coatings
- Ring-type ultrasonic (HSM) autofocus motor with full-time manual override
- Internal focusing design keeps front element stationary
- 9-blade rounded diaphragm for smooth bokeh at ultra-wide focal length
- 27cm minimum focus distance with 0.1x magnification for foreground separation
- Compatible with Sigma USB Dock for AF calibration and firmware updates
- Canon EF mount, full-frame coverage
FAQ
- What makes the 14mm f/1.8 different from other ultra-wide primes?
- No other rectilinear prime at 14mm hits f/1.8 - that aperture range is unique to this lens. The combination unlocks low-light wide-angle shooting and subject separation at a focal length where most lenses max out around f/2.8.
- Does this lens have image stabilization?
- No. At 14mm, field of view is wide enough that hand-holding at moderate shutter speeds (1/30 and faster) remains practical even in dim light, given the f/1.8 aperture.
- How close can you focus, and is it useful for environmental portraits?
- Minimum focus distance is 27cm with 0.1x magnification. That's close enough to place foreground elements (a hand, a branch, architectural detail) in sharp focus while keeping the wider scene behind it - adds real depth to environmental work.
- Can you adjust focus manually without switching modes?
- Yes. Full-time manual override is built in. Rotate the focus ring at any time to fine-tune, whether autofocus is active or not - no switches to flip.
- What's the front element diameter, and does the supplied hood stay on during focus?
- The front element is 95mm in diameter. Internal focusing means the lens barrel doesn't extend when focusing, so a petal hood locks down and stays put throughout the focus range.
- Can you calibrate autofocus at home instead of sending the lens in for service?
- Yes. The lens is compatible with the Sigma USB Dock, which handles AF fine-tuning and firmware updates on your own computer.
- Is 1,170g weight a deal-breaker for travel?
- Weight matters less than use case. This is a precision tool, not a casual kit lens - photographers choosing f/1.8 at 14mm are trading portability for low-light wide-angle performance they can't get elsewhere.
| Specification | Value |
|---|---|
| Focal Length | 14mm |
| Max Aperture | f/1.8 |
| Min Aperture | f/16 |
| Mount | Canon EF |
| Stabilization | No |
| AF System | Yes |
| Min Focus Distance | 0.27 m (10.63") |
| Lens Type | Prime |
| Aperture Ring | No |
| Diaphragm Blades | 9 |
| Elements | 16 |
| Groups | 11 |
| Special Elements Coatings | Three FLD and four SLD elements |
| Maximum Magnification | 0.1x |
| AF Motor Type | Ring-type ultrasonic (HSM) |
| Full Time Manual Focus | Yes |
| Focus Method | Internal |
| Distance Scale | Yes |
| DOF Scale | No |
| Focus Distance Limiter | No |
| Diameter | 95 mm (3.76") |
| Length | 126 mm (4.96") |
| Color | Black |
| Weight | 1,170 g (2.58 lb) |
This description was generated using AI based on KEH's internal product standards, product expertise, and knowing what customers care about most. While we strive for accuracy, details may vary by individual item.
| Brand Name | Sigma |
|---|---|
| Focus Type | Autofocus (lens motor) |
| Lens Mount | Canon EF |
| Lens Type | Wide-Angle |
| Max Focal Length | 14mm |
| Min Focal Length | 14mm |
