Reasons to choose JD 4.0 LCD
Released in 2004, JD 4.0 LCD has about 38 mm² of sensor area, 4 MP effective resolution, and a 120 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Jenoptik JD 4.0 LCD
vs Jenoptik JD C 3.1 z3
VS
Sensor area
38 mm²
JD 4.0 LCD31 mm²
JD C 3.1 z3- Area ratio
- 1.23:1
- Absolute difference
- 7 mm²
- Relative difference
- 23.4%
The JD 4.0 LCD 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 4.0 LCDMetricJD C 3.1 z3
4 MPEffective pixels3.3 MP
7.11 × 5.33Sensor6.4 × 4.8
3.08 µmPixel pitch3.05 µm
9.47 µm²Pixel area9.31 µm²
10.56 MP/cm²Pixel density10.74 MP/cm²
4.87Crop factor5.41
—Maximum video—
120 gWeight160 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 4.0 LCD has the larger sensor area. The JD 4.0 LCD has the lighter body. The JD 4.0 LCD has the higher effective resolution. The JD 4.0 LCD and JD C 3.1 z3 were both released in 2004. Also consider the lens system and subjects you shoot.
Reasons to choose JD C 3.1 z3
Released in 2004, JD C 3.1 z3 has about 31 mm² of sensor area, 3.3 MP effective resolution, and a 160 g body. Use these values to narrow the field, not as an overall image-quality score.