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.
Side-by-side comparison
Pentax Optio E40
vs Pentax Optio Z10
VS
Sensor area
25 mm²
Optio E4025 mm²
Optio Z10- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The Optio E40 and Optio Z10 have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.
Key specification differences
Optio E40MetricOptio Z10
8.1 MPEffective pixels8 MP
5.75 × 4.32Sensor5.75 × 4.32
1.75 µmPixel pitch1.76 µm
3.07 µm²Pixel area3.11 µm²
32.61 MP/cm²Pixel density32.21 MP/cm²
6.02Crop factor6.02
—Maximum video—
130 gWeight125 g
SDHC, Secure DigitalStorageSDHC, Secure 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 E40 and Optio Z10 have the same sensor area. The Optio Z10 has the lighter body. The Optio E40 has the higher effective resolution. The Optio E40 and Optio Z10 were both released in 2007. Also consider the lens system and subjects you shoot.
Reasons to choose Optio Z10
Released in 2007, Optio Z10 has about 25 mm² of sensor area, 8 MP effective resolution, and a 125 g body. Use these values to narrow the field, not as an overall image-quality score.