Reasons to choose JD 3.1 exclusiv
Released in 2005, JD 3.1 exclusiv has about 31 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
Jenoptik JD 3.1 exclusiv
vs Jenoptik JD 4.1 z3 MPEG4
VS
Sensor area
31 mm²
JD 3.1 exclusiv25 mm²
JD 4.1 z3 MPEG4- Area ratio
- 1.24:1
- Absolute difference
- 6 mm²
- Relative difference
- 23.7%
The JD 3.1 exclusiv 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 exclusivMetricJD 4.1 z3 MPEG4
3.1 MPEffective pixels4 MP
6.4 × 4.8Sensor5.75 × 4.32
3.15 µmPixel pitch2.49 µm
9.91 µm²Pixel area6.21 µm²
10.09 MP/cm²Pixel density16.1 MP/cm²
5.41Crop factor6.02
—Maximum video—
160 gWeight150 g
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 3.1 exclusiv has the larger sensor area. The JD 4.1 z3 MPEG4 has the lighter body. The JD 4.1 z3 MPEG4 has the higher effective resolution. The JD 3.1 exclusiv and JD 4.1 z3 MPEG4 were both released in 2005. Also consider the lens system and subjects you shoot.
Reasons to choose JD 4.1 z3 MPEG4
Released in 2005, JD 4.1 z3 MPEG4 has about 25 mm² of sensor area, 4 MP effective resolution, and a 150 g body. Use these values to narrow the field, not as an overall image-quality score.