Lens Details
Sigma
12mm F1.4 DC Contemporary (Canon RF)
$629~
MSRP (prices vary)
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Released: September 4, 2025
Who it's for
The Sigma 12mm F1.4 DC Contemporary (Canon RF) is a 12mm 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 12mm field of view.
- ✓Outdoor and travel use — a weather-sealed build.
12mm
Focal Length
f/1.4
Max Aperture
APS-C
Coverage
−
Stabilized
225g
Weight
62mm
Filter
Full Specifications
Optical Design
| Focal Length | 12mm |
|---|---|
| Lens Type | Prime |
| Optical Elements | 14 |
| Optical Groups | 12 |
Aperture & Iris
| Maximum Aperture | f/1.4 |
|---|---|
| Minimum Aperture | f/16 |
| Aperture Blades | 9 |
| Rounded Aperture | Yes |
Coverage & Angle
| Format Coverage | APS-C |
|---|---|
| Lens Mount | Canon RF |
| Angle of View | 99.6° |
| 35mm Equivalent | 19-19mm |
Focus
| Autofocus | Yes |
|---|---|
| Focus Motor | HLA |
| Focus Limiter | No |
| AF/MF Switch | Yes |
| Min Focus Distance | 17 cm |
| Max Magnification | 0.1x |
Stabilization & Video
| Optical Stabilization | No |
|---|---|
| Aperture Ring | Yes |
| Declickable Aperture | Yes |
| Parfocal | No |
| Internal Zoom | No |
General
| Price (MSRP) | $629 |
|---|---|
| Filter Size | 62mm |
| Diameter | 68mm |
| Length | 69mm |
| Weight | 225g (7.9 oz) |
| Weather Sealed | Yes |
| Tripod Collar | No |
