Reasons to choose Optio E25
Released in 2007, Optio E25 has about 25 mm² of sensor area, 7.1 MP effective resolution, and a 178 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Pentax Optio E25
vs Pentax Optio E40
VS
Sensor area
25 mm²
Optio E2525 mm²
Optio E40- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The Optio E25 and Optio E40 have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.
Key specification differences
Optio E25MetricOptio E40
7.1 MPEffective pixels8.1 MP
5.75 × 4.32Sensor5.75 × 4.32
1.87 µmPixel pitch1.75 µm
3.5 µm²Pixel area3.07 µm²
28.58 MP/cm²Pixel density32.61 MP/cm²
6.02Crop factor6.02
—Maximum video—
178 gWeight130 g
Secure DigitalStorageSDHC, Secure Digital
2x AABatteryAA (2) batteries (NiMH recommended)
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 E25 and Optio E40 have the same sensor area. The Optio E40 has the lighter body. The Optio E40 has the higher effective resolution. The Optio E25 and Optio E40 were both released in 2007. Also consider the lens system and subjects you shoot.
Reasons to choose Optio E40
Released in 2007, Optio E40 has about 25 mm² of sensor area, 8.1 MP effective resolution, and a 130 g body. Use these values to narrow the field, not as an overall image-quality score.