Reasons to choose DC C420
Released in 2005, DC C420 has about 25 mm² of sensor area, 4 MP effective resolution, and a 130 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
BenQ DC C420
vs BenQ DC S30
VS
Sensor area
25 mm²
DC C42021 mm²
DC S30- Area ratio
- 1.17:1
- Absolute difference
- 4 mm²
- Relative difference
- 16.5%
The DC C420 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
DC C420MetricDC S30
4 MPEffective pixels3.34 MP
5.75 × 4.32Sensor5.33 × 4
2.49 µmPixel pitch2.53 µm
6.21 µm²Pixel area6.38 µm²
16.1 MP/cm²Pixel density15.67 MP/cm²
6.02Crop factor6.49
—Maximum video—
130 gWeight180 g
—StorageSecure Digital
—BatteryLi-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 DC C420 has the larger sensor area. The DC C420 has the lighter body. The DC C420 has the higher effective resolution. The DC C420 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose DC S30
Released in 2004, DC S30 has about 21 mm² of sensor area, 3.34 MP effective resolution, and a 180 g body. Use these values to narrow the field, not as an overall image-quality score.