Reasons to choose Optio E20
Released in 2006, Optio E20 has about 25 mm² of sensor area, 6 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
Pentax Optio E20
vs Pentax Optio M30
VS
Sensor area
25 mm²
Optio E2025 mm²
Optio M30- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The Optio E20 and Optio M30 have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.
These cameras were released 1 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
Optio E20MetricOptio M30
6 MPEffective pixels7.1 MP
5.75 × 4.32Sensor5.75 × 4.32
2.03 µmPixel pitch1.87 µm
4.14 µm²Pixel area3.5 µm²
24.15 MP/cm²Pixel density28.58 MP/cm²
6.02Crop factor6.02
—Maximum video—
130 gWeight120 g
Secure DigitalStorageSecure Digital
AA (2) batteries (NiMH recommended)BatteryLithium-Ion rechargeable 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 Optio E20 and Optio M30 have the same sensor area. The Optio M30 has the lighter body. The Optio M30 has the higher effective resolution. The Optio M30 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Optio M30
Released in 2007, Optio M30 has about 25 mm² of sensor area, 7.1 MP effective resolution, and a 120 g body. Use these values to narrow the field, not as an overall image-quality score.