Sigma · Contemporary
12mm ƒ/1.4 DC Contemporary
12mm F1.4 DC | Contemporary
Sigma 12mm ƒ/1.4 DC Contemporary is a 12mm prime lens for the Fujifilm X mount, equivalent to 18mm on full frame, with a maximum aperture of ƒ/1.4 and autofocus. It weighs 235 g.

Optics
- Type
- Prime · Photo
- Focal length
- 12mm (18mm eq.)
- Angle of view
- 99.6°
- Aperture
- ƒ/1.4 – ƒ/16
- Blades
- 9, rounded
- Aperture ring
- Yes
- Construction
- 14 el. / 12 gr.
- Special elements
- 3 aspherical, 2 ED
- Designations
- DC
- Designed for
- APS-C
Focus
- Type
- Autofocus, stepping motor
- Minimum distance
- 0.17 m
- Magnification
- 0.12× (1:8.4)
Size and mount
- Diameter × length
- 68 × 69.7 mm
- Weight
- 235 g
- Filter
- 62 mm front
- Mount
- Native X mount
Features
- Yes
- Weather sealed, Aperture ring, Electronic contacts
- No
- Stabilized
History
- Maker
- Sigma · JP
- Announced
- 2025-08-19
- Status
- Current
Dust- and splash-resistant structure and water- and oil-repellent front coating. Aperture ring on all mounts except Canon RF (control ring). Length is measured from the front of the lens to the mount. Sigma publishes one product photo for all mounts; it is not confirmed to show the X Mount version (the press-release photo is the Sony E-mount version).