Drop an X3F RAW file from your Sigma dp1 Quattro to check the shutter count — processed entirely in your browser, never uploaded anywhere. The dp1 Quattro features a fixed 19mm f/2.8 lens (28mm equivalent) and the unique Foveon X3 Quattro sensor in Sigma's distinctive elongated body design.
Check Shutter Count →The Sigma dp1 Quattro (2014) was the first camera released in Sigma's dp Quattro series, introducing the new asymmetric Foveon X3 Quattro sensor alongside the radical elongated body design. The fixed 19mm f/2.8 lens (28mm equivalent on APS-C) provides a classic wide-angle perspective favoured for street, documentary, and environmental portrait work. Sigma does not publish an official shutter life rating for the dp1 Quattro.
| Model | Release | Lens (equiv.) | Est. Shutter Life | RAW |
|---|---|---|---|---|
| Sigma dp1 Quattro | 2014 | 19mm f/2.8 (28mm) | ~100,000 (est.) | X3F |
| Sigma dp0 Quattro (21mm equiv.) | 2016 | 14mm f/4 (21mm) | ~100,000 (est.) | X3F |
| Sigma dp2 Quattro (45mm equiv.) | 2014 | 30mm f/2.8 (45mm) | ~100,000 (est.) | X3F |
| Sigma dp3 Quattro (75mm equiv.) | 2015 | 50mm f/2.8 (75mm) | ~100,000 (est.) | X3F |
| Actuation Count | % of Est. Life | Assessment |
|---|---|---|
| 0 – 5,000 | 0 – 5 % | Very low use — near new |
| 5,000 – 25,000 | 5 – 25 % | Low to moderate use |
| 25,000 – 60,000 | 25 – 60 % | Moderate use — normal for active use |
| 60,000 – 85,000 | 60 – 85 % | High use — negotiate price |
| 85,000 + | 85 %+ | Near or past estimated life |
The dp1 Quattro is used for deliberate, considered photography — rarely for rapid shooting. Shot counts accumulate slowly. Focus on lens element condition (28mm primes show every scratch and haze in high-contrast wide shots), sensor cleanliness, and the condition of the body's rubber grip when evaluating a used example.
The dp1 Quattro uses the Foveon X3 Quattro sensor at APS-C size (23.5×15.7 mm). The asymmetric Quattro architecture provides full 19.6 MP resolution at the top silicon layer (capturing blue-green wavelengths) and 4.9 MP at the two deeper layers (capturing green-red). This design balances the Foveon's core advantage — no demosaicing, complete colour capture at every pixel — with improved processing speed compared to the older symmetric Merrill generation.
The 19mm f/2.8 lens is a 10-element optical design purpose-built for the Foveon sensor's colour-layer depth and light-incidence sensitivity. At 28mm equivalent, it is one of the most versatile focal lengths in the dp Quattro family — wide enough for environmental context, not so wide as to introduce strong perspective distortion.
Yes. Sigma embeds a shot counter in the X3F RAW format EXIF block. Drop the X3F file into shuttercount.app and the actuation count is displayed immediately. This applies to all dp Quattro models — the counter is consistently embedded in the X3F format.
Yes, with caveats. The 28mm equivalent field of view is a classic street focal length, and the Foveon rendering at base ISO is exceptional for its rendering of texture and fine detail in urban environments. However, the dp1 Quattro's autofocus is slow by modern standards and continuous shooting speed is very limited. It is best suited to a deliberate, patient street photography approach — zone focusing or pre-focused — rather than fast-moving documentary work.
Both cameras share the identical Foveon X3 Quattro sensor and body design. The dp1 Quattro uses a 19mm f/2.8 (28mm equiv) wide-angle lens, while the dp2 uses a 30mm f/2.8 (45mm equiv) standard lens. The dp2 is considered the most versatile of the series for general photography; the dp1 is the choice when a wider perspective is needed. Neither has an objective quality advantage over the other at the sensor level.
Unlike Bayer sensors, which assign only one colour (red, green, or blue) to each photodiode and interpolate the other two through demosaicing, the Foveon X3 sensor captures all three colours at every pixel location using three stacked silicon photodiode layers. This eliminates demosaicing artifacts entirely — no false colour, no moiré in fine repetitive patterns, no luminance-only aliasing. At base ISO, the result is micro-contrast and colour accuracy that no Bayer sensor can match at the same resolution.
Sigma X3F files from the dp1 Quattro are typically 30–50 MB each, significantly larger than JPEG or even most competing RAW formats. This is because the X3F format stores full 3-layer Foveon data without aggressive lossy compression. Processing these files in Sigma Photo Pro can take several seconds per image. Budget for fast SD cards and ample storage when shooting extensively with the dp1 Quattro.