Reasons to choose JD 3.1 z3 MPEG 4
Released in 2004, JD 3.1 z3 MPEG 4 has about 21 mm² of sensor area, 3.15 MP effective resolution, and a 150 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Jenoptik JD 3.1 z3 MPEG 4
vs Jenoptik JD 5.2 zoom
VS
Sensor area
21 mm²
JD 3.1 z3 MPEG 425 mm²
JD 5.2 zoom- Area ratio
- 1.17:1
- Absolute difference
- 4 mm²
- Relative difference
- 16.5%
The JD 5.2 zoom 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
JD 3.1 z3 MPEG 4MetricJD 5.2 zoom
3.15 MPEffective pixels5 MP
5.33 × 4Sensor5.75 × 4.32
2.6 µmPixel pitch2.23 µm
6.77 µm²Pixel area4.97 µm²
14.77 MP/cm²Pixel density20.13 MP/cm²
6.49Crop factor6.02
—Maximum video—
150 gWeight150 g
MultiMedia, Secure DigitalStorageSecure Digital
2x AABattery2x 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 JD 5.2 zoom has the larger sensor area. The JD 3.1 z3 MPEG 4 and JD 5.2 zoom have the same body weight. The JD 5.2 zoom has the higher effective resolution. The JD 3.1 z3 MPEG 4 and JD 5.2 zoom were both released in 2004. Also consider the lens system and subjects you shoot.
Reasons to choose JD 5.2 zoom
Released in 2004, JD 5.2 zoom has about 25 mm² of sensor area, 5 MP effective resolution, and a 150 g body. Use these values to narrow the field, not as an overall image-quality score.