Sigma · Art
17-40mm ƒ/1.8 DC Art
17-40mm F1.8 DC | Art
Sigma 17-40mm ƒ/1.8 DC Art is a 17–40mm zoom lens for the Fujifilm X mount, equivalent to 26–60mm on full frame, with a maximum aperture of ƒ/1.8 and autofocus. It weighs 530 g.
Optics
- Type
- Zoom · Photo
- Focal length
- 17–40mm (26–60mm eq.)
- Angle of view
- 79.7–39.1°
- Aperture
- ƒ/1.8 – ƒ/16
- Constant aperture
- Yes
- Blades
- 11, rounded
- Aperture ring
- Click / de-click switch
- Construction
- 17 el. / 11 gr.
- Special elements
- 4 aspherical, 4 ED
- Designations
- DC
- Designed for
- APS-C
Focus
- Type
- Autofocus, linear motor
- Minimum distance
- 0.28 m
- Magnification
- 0.21× (1:4.8)
Size and mount
- Diameter × length
- 72.9 × 118.2 mm
- Weight
- 530 g
- Filter
- 67 mm front
- Mount
- Native X mount
Features
- Yes
- Weather sealed, Aperture ring, Clickless aperture, Electronic contacts, Internal focus, Internal zoom
- No
- Stabilized
History
- Maker
- Sigma · JP
- Announced
- 2025-06-17
- Status
- Current
HLA (High-response Linear Actuator) AF motor; inner zoom (length constant when zooming and focusing); dust- and splash-resistant structure with water- and oil-repellent coating; aperture ring lock switch on L, E and X mounts (Canon RF has a control ring). Maximum magnification 1:4.8 at 40mm. Sigma publishes one product photo for all mounts; it is not confirmed to show the X Mount version (the press-release photo is the L-Mount version).