Capture the grand scale of Japan’s scenery and architecture with the SIGMA 17mm F4 DG DN Contemporary. This ultra-wide-angle prime lens for Sony E-mount mirrorless cameras sets a new standard for optical quality in a remarkably compact and lightweight body (220g).
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Contact Jasumo Now →Ideal for travel, vlogging, and landscape photography, its 17mm focal length offers an immersive 103.7° angle of view. Despite its small size, it delivers high resolution, great close-up capability, and robust performance, making it the perfect wide-angle companion for all-day carrying.
The SIGMA 17mm F4 DG DN is part of the I series, known for combining exceptional optical quality with premium, compact construction. Its 17mm focal length is crucial for tourists visiting Japan who want to capture expansive views, large temple complexes, or dynamic street scenes where space is limited.
The optical structure includes 9 elements in 8 groups, featuring two SLD (Special Low Dispersion) glass elements and three aspherical lenses. This configuration ensures that the lens delivers high resolution and excellent correction for aberrations, even out to the edges of the frame.
Its defining characteristic is its portability: at just 50.8mm long and 220g, it is barely noticeable in a camera bag. The fast and quiet stepping motor provides reliable autofocus performance. Despite the wide angle, the lens offers an impressive minimum focusing distance of 12cm, allowing for dynamic, large-magnification close-up shots (1:3.6 max magnification) that play with perspective and scale. The lens also features a seven-blade circular aperture, ensuring pleasing bokeh quality.
| Feature | Specification |
| Lens construction (groups/elements) | 8 groups 9 elements |
| Angle of view | 103.7 degrees |
| Minimum aperture | F22 |
| Minimum focusing distance (cm) | 12 |
| Maximum magnification | 1:3.6 |
| Filter Size | 55mm |
| Weight (g) | 220 |
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17mm is an ultra-wide focal length that captures a massive field of view. It’s ideal for fitting large subjects like temples, skyscrapers, or entire gardens into the frame, especially in tight urban spaces where you can’t step back far enough. It makes landscapes feel grand and immersive.
By choosing a maximum aperture of F4 instead of F2.8 or F1.8, SIGMA significantly reduces the size and weight of the glass elements required. This conscious design choice prioritizes portability and optical performance within a small footprint, ideal for all-day use.
The 12cm minimum focusing distance is incredibly short for a 17mm lens. It allows you to place a small object or detail right next to the lens while still capturing the ultra-wide background context. This creates a powerful, highly distorted, and dynamic foreground-to-background relationship.
No, the lens does not have built-in Optical Stabilization (OS). However, it is fully compatible with the powerful In-Body Image Stabilization (IBIS) found in most Sony E-mount cameras, which is usually highly effective at the 17mm focal length.
SLD (Special Low Dispersion) glass elements are critical in wide-angle lenses to suppress chromatic aberration and color fringing, particularly around high-contrast edges (like tree branches against a bright sky). This ensures clean, high-resolution results across the image frame.
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