Reasons to choose dc 3100
Released in 2003, dc 3100 has about 21 mm² of sensor area, 3.1 MP effective resolution, and a 160 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Rollei dc 3100
vs Rollei Prego dp4200
VS
Sensor area
21 mm²
dc 310025 mm²
Prego dp4200- Area ratio
- 1.17:1
- Absolute difference
- 4 mm²
- Relative difference
- 16.5%
The Prego dp4200 has the larger sensor area. More area usually means greater light-gathering potential, though real image quality still depends on sensor architecture and generation.
Key specification differences
dc 3100MetricPrego dp4200
3.1 MPEffective pixels4.2 MP
5.33 × 4Sensor5.75 × 4.32
2.62 µmPixel pitch2.43 µm
6.88 µm²Pixel area5.91 µm²
14.54 MP/cm²Pixel density16.91 MP/cm²
6.49Crop factor6.02
—Maximum video—
160 gWeight125 g
MultiMedia, Secure DigitalStorageSecure Digital
2x AABatteryLi-Ion 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 Prego dp4200 has the larger sensor area. The Prego dp4200 has the lighter body. The Prego dp4200 has the higher effective resolution. The dc 3100 and Prego dp4200 were both released in 2003. Also consider the lens system and subjects you shoot.
Reasons to choose Prego dp4200
Released in 2003, Prego dp4200 has about 25 mm² of sensor area, 4.2 MP effective resolution, and a 125 g body. Use these values to narrow the field, not as an overall image-quality score.