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 T20
VS
Sensor area
25 mm²
Optio E2525 mm²
Optio T20- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The Optio E25 and Optio T20 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 E25MetricOptio T20
7.1 MPEffective pixels7.1 MP
5.75 × 4.32Sensor5.75 × 4.32
1.87 µmPixel pitch1.87 µm
3.5 µm²Pixel area3.5 µm²
28.58 MP/cm²Pixel density28.58 MP/cm²
6.02Crop factor6.02
—Maximum video—
178 gWeight135 g
Secure DigitalStorageSecure Digital
2x AABatteryLithium-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 E25 and Optio T20 have the same sensor area. The Optio T20 has the lighter body. The Optio E25 and Optio T20 have the same effective resolution. The Optio E25 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Optio T20
Released in 2006, Optio T20 has about 25 mm² of sensor area, 7.1 MP effective resolution, and a 135 g body. Use these values to narrow the field, not as an overall image-quality score.