Reasons to choose PowerShot A400
Released in 2004, PowerShot A400 has about 15 mm² of sensor area, 3.1 MP effective resolution, and a 255 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Canon PowerShot A400
vs Praktica DCZ 2.0
VS
Sensor area
15 mm²
PowerShot A40017 mm²
DCZ 2.0- Area ratio
- 1.14:1
- Absolute difference
- 2 mm²
- Relative difference
- 13.9%
The DCZ 2.0 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 2 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
PowerShot A400MetricDCZ 2.0
3.1 MPEffective pixels2.1 MP
4.5 × 3.37Sensor4.8 × 3.6
2.21 µmPixel pitch2.87 µm
4.89 µm²Pixel area8.23 µm²
20.44 MP/cm²Pixel density12.15 MP/cm²
7.7Crop factor7.21
—Maximum video—
255 gWeight130 g
SD/MMC cardStorageMultiMedia, Secure Digital
AA (2) batteries (NiMH recommended)Battery2x AA
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 DCZ 2.0 has the larger sensor area. The DCZ 2.0 has the lighter body. The PowerShot A400 has the higher effective resolution. The PowerShot A400 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose DCZ 2.0
Released in 2002, DCZ 2.0 has about 17 mm² of sensor area, 2.1 MP effective resolution, and a 130 g body. Use these values to narrow the field, not as an overall image-quality score.