The Sigma 17-40mm f/1.8 DC Art lens redefines versatility for APS-C mirrorless photography. Maintaining a constant f/1.8 aperture across its entire zoom range, this optical marvel delivers exceptional light-gathering capability and cinematic depth of field control. Its wide-to-normal focal length spans everyday shooting scenarios—from expansive landscapes to intimate portraiture—without the weight penalty of traditional zoom systems. Engineered with video professionals in mind, the lens combines optical excellence with smooth, silent autofocus operation. The Art designation guarantees prime-like image quality, rendering with remarkable clarity and colour fidelity. Compact yet powerful, it's the intelligent choice for photographers and videographers seeking premium performance without compromise.
Features
- APS-C | f/1.8 to f/16
- 25.5 to 60mm (Full-Frame Equivalent)
- Superfast Wide-to-Normal Zoom
- HLA Autofocus
- 11" Minimum Focus Distance
- Aperture Ring with Click & Lock Switches
- SLD and Aspherical Elements
- Water- and Oil-Repellent Coating
- Dust & Splash Resistant Construction
Specifications
| Lens Mount |
Canon RF |
| Sensor Compatibility |
|
| Focal Length |
17 to 40mm (35mm Equivalent: 25.5 to 60mm) |
| Back Focal Length |
|
| Maximum Aperture |
Maximum: f/1.8 |
|
Minimum: f/16 |
| Angle of View |
79.7° to 39.1° |
| Minimum Focus Distance |
28 cm |
| Focus Type |
Autofocus |
| Iris Type |
|
| IR Corrected |
|
| Weight |
530 g |
What's in the box
- Sigma 17-40mm f/1.8 DC Art Lens (L-Mount)
- Sigma LCF-67 IV Lens Cap (67mm)
- Sigma LCR III Rear Lens Cap for L-Mount
- Lens Hood
- Carrying Pouch
- Limited 4-Year Manufacturer Warranty