Sigma · Art
17-40mm F1.8 DC
Optics
| Focal Length | 17–40mm |
| Equiv. Focal Length | 26–60mm |
| Max Aperture | f/1.8 |
| Min Aperture | f/16 |
| Angle of View | 79.7°–39.1° |
| Aperture Blades | 11 |
| Lens Configuration | 11 groups / 17 elements 4 Asph · 4 ED (4 SLD) |
Autofocus
| Autofocus | Yes |
| Focus Motor | Linear HLA |
| Min Focus Distance | 28cm |
| Max Magnification | 0.21x |
Stabilization
| OIS | No |
Physical
| Weight | 530g |
| Dimensions | ⌀72.9 × 118.2mm |
| Filter Size | 67mm |
Features
| Weather Resistant | Partial |
| Aperture Ring | Yes |
| Power Zoom | No |
Release
| Release Year | 2025 |
| Accessories | Pouch, Lens hood LH728-02, Front cap LCF-67 IV, Rear cap LCR III |