Sigma 17-40mm f/1.8 DC Art Specs
| Color | Black |
| Focal Length | 17 to 40mm (35mm Equivalent: 25.5 to 60mm) |
| Aperture | Maximum: f/1.8
Minimum: f/16 |
| Lens Mount | FUJIFILM X |
| Lens Format Coverage | APS-C |
| Angle of View | 79.7° to 39.1° |
| Minimum Focus Distance | 11" / 28 cm |
| Magnification | 1:4.8 Macro Reproduction Ratio
0.21x Magnification |
| Optical Design | 17 Elements in 11 Groups |
| Aperture/Iris Blades | 11, Rounded |
| Focus Type | Autofocus |
| Image Stabilization | No |
| Filter Size | 67 mm (Front) |
| Dimensions | ø: 2.9 x L: 4.6" / ø: 72.9 x L: 117.9 mm |
| Weight | 18.5 oz / 525 g |