Description
Sigma 17-40mm F1.8 DC | Art
The Sigma 17-40mm F1.8 DC | Art redefines what a standard zoom can do for APS-C creators. With a constant f/1.8 aperture throughout its range, it delivers consistent brightness, smooth bokeh, and professional-level depth control ? qualities rarely found in zoom lenses.
This lens houses 17 elements in 11 groups, including multiple aspherical and SLD elements that reduce chromatic aberration and distortion. The result is edge-to-edge sharpness and vibrant contrast, even in challenging lighting conditions.
The internal zoom mechanism ensures that the lens length remains fixed while zooming ? a major advantage for gimbal users and video creators. The High-response Linear Actuator (HLA) autofocus motor provides rapid, quiet focusing performance suitable for both stills and video.
Its 11-blade rounded diaphragm enhances the smoothness of background blur, while the minimum focusing distance of 28 cm allows for close-up creative compositions. The body is built to professional standards, featuring a dust- and splash-resistant design with a water- and oil-repellent coating on the front element.
Despite its fast aperture and professional optics, the lens remains compact at only 535 g, making it a reliable companion for travel, events, and hybrid productions.
Whether you?re a photographer or filmmaker, the Sigma 17-40mm F1.8 DC | Art offers unmatched performance, flexibility, and reliability ? a lens that truly bridges the gap between prime sharpness and zoom convenience.
Features & Specifications
| Feature | Specification / Detail |
|---|---|
| Lens Type | Wide-to-normal zoom (Art-series) |
| Focal Length | 17 ? 40 mm (APS-C format) |
| Maximum Aperture | f/1.8 constant |
| Minimum Aperture | f/16 |
| Lens Construction | 17 elements in 11 groups (aspherical & SLD elements) |
| Diaphragm Blades | 11 (rounded) |
| Minimum Focusing Distance | 28 cm |
| Maximum Magnification | 1:4.8 (0.21?) |
| Angle of View | ~79.7? ? 39.1? |
| Filter Thread | 67 mm |
| Dimensions (? ? Length) | 72.9 mm ? 115.9 mm |
| Weight | 535 g |
| Mount Options | Sony E, Fujifilm X, Canon RF, L-mount |
| Autofocus Motor | High-response Linear Actuator (HLA) |
| Zoom Mechanism | Internal zoom |
| Sealing & Coating | Dust/splash-resistant body, water/oil-repellent coating |
| Special Features | Minimal focus breathing, dual AFL buttons, video-optimized design |
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