Lens Details
Sigma
20mm f/1.4 DG DN Art (L-mount)
$999~
MSRP (prices vary)
Check price on Amazon
As an Amazon Associate, we earn from qualifying purchases — at no extra cost to you.
Released: October 13, 2022
Highlights
- Full-frame 20mm f/1.4 ultra-wide prime for L-Mount, ideal for sweeping vistas and tight interiors.
- A fast f/1.4 maximum aperture gives smooth background blur and excellent low-light reach.
- Weather-sealed against dust and moisture, a dedicated aperture ring for video and manual control, and it is relatively compact at 630g.
Who it's for
The Sigma 20mm f/1.4 DG DN Art (L-mount) is a 20mm f/1.4 prime lens — a wide-angle option. Here's what it's best at and what to keep in mind.
Best for
- ✓Low light and subject separation — a fast f/1.4 aperture.
- ✓Landscapes, interiors and architecture — a wide 20mm field of view.
- ✓Outdoor and travel use — a weather-sealed build.
20mm
Focal Length
f/1.4
Max Aperture
Full-Frame
Coverage
−
Stabilized
630g
Weight
82mm
Filter
Full Specifications
Optical Design
| Focal Length | 20mm |
|---|---|
| Lens Type | Prime |
| Optical Elements | 17 |
| Optical Groups | 14 |
Aperture & Iris
| Maximum Aperture | f/1.4 |
|---|---|
| Minimum Aperture | f/16 |
| Aperture Blades | 9 |
| Rounded Aperture | Yes |
Coverage & Angle
| Format Coverage | Full-Frame |
|---|---|
| Lens Mount | L-Mount |
| Angle of View | 94° |
| 35mm Equivalent | − |
Focus
| Autofocus | Yes |
|---|---|
| Focus Motor | HLA |
| Focus Limiter | No |
| AF/MF Switch | Yes |
| Min Focus Distance | 27 cm |
| Max Magnification | 0.14x |
Stabilization & Video
| Optical Stabilization | No |
|---|---|
| Aperture Ring | Yes |
| Declickable Aperture | Yes |
| Parfocal | No |
| Internal Zoom | No |
General
| Price (MSRP) | $999 |
|---|---|
| Filter Size | 82mm |
| Diameter | 90mm |
| Length | 112.3mm |
| Weight | 630g (1.39 lb) |
| Weather Sealed | Yes |
| Tripod Collar | No |
