Sigma
17-40mm F1.8 DC Art
L-Mount Alliance member APS-C Zoom Autofocus Wide AngleStandard
Specifications
| Mount | L-Mount |
|---|---|
| Format | APS-C |
| Lens type | Zoom |
| Focus type | Autofocus |
| Focal length | 17-40mm |
| Maximum aperture | f/1.8 |
| Minimum aperture | f/16 |
| Weight | 535g |
| Filter thread | 67mm |
| Minimum focus distance | 0.28m |
| Maximum magnification | 0.208× |
| Optical stabilization | Awaiting confirmation |
| Weather sealed | Yes |
| L-Mount release year | 2025 |
| L-Mount Alliance member | Yes |
Release year means the first availability of the L-Mount version, rather than the original design or another mount. Future availability is described in the notes.
Notes
Official L-Mount specifications: 535 g, a minimum focusing distance of 0.28 m, and a maximum magnification of 1:4.8 (approximately 0.208x). Peak magnification occurs at 40 mm. The L-Mount version was released in 2025.
Data sources
- https://www.sigma-global.com/en/lenses/a025_17_40_18/
- https://www.sigma-global.com/en/news/2025/06/17/011063/
- https://leica-camera.com/en-int/press/viltrox-joins-l-mount-alliance
Specifications are compiled from the sources above and may contain errors or become outdated. Always confirm critical specs with the manufacturer before purchase. See About & Disclaimer.
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