Reasons to choose DP1s
Released in 2009, DP1s has about 286 mm² of sensor area, 4.7 MP effective resolution, and a 270 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Sigma DP1s
vs Sigma SD1
VS
Sensor area
286 mm²
DP1s384 mm²
SD1- Area ratio
- 1.34:1
- Absolute difference
- 98 mm²
- Relative difference
- 34.4%
The SD1 has the larger sensor area. More area usually means greater light-gathering potential, though real image quality still depends on sensor architecture and generation.
These cameras were released 1 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
DP1sMetricSD1
4.7 MPEffective pixels15.4 MP
20.7 × 13.8Sensor24 × 16
7.8 µmPixel pitch4.99 µm
60.78 µm²Pixel area24.94 µm²
1.65 MP/cm²Pixel density4.01 MP/cm²
1.74Crop factor1.5
—Maximum video—
270 gWeight280 g
SDHC, Secure DigitalStorageCompact Flash (Type I, UDMA compatible)
Lithium-Ion rechargeable battery Li-ion batteryBatteryLithium-Ion rechargeable battery Li-ion battery
Amber marks the value that is generally preferable in this comparison context. It is not an overall camera score.
How to choose between these cameras
The SD1 has the larger sensor area. The DP1s has the lighter body. The SD1 has the higher effective resolution. The SD1 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose SD1
Released in 2010, SD1 has about 384 mm² of sensor area, 15.4 MP effective resolution, and a 280 g body. Use these values to narrow the field, not as an overall image-quality score.