Reasons to choose Optio S
Released in 2003, Optio S has about 25 mm² of sensor area, 3.1 MP effective resolution, and a 115 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Pentax Optio S
vs Pentax Optio S4i
VS
Sensor area
25 mm²
Optio S25 mm²
Optio S4i- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The Optio S and Optio S4i 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 SMetricOptio S4i
3.1 MPEffective pixels4 MP
5.75 × 4.32Sensor5.75 × 4.32
2.83 µmPixel pitch2.49 µm
8.01 µm²Pixel area6.21 µm²
12.48 MP/cm²Pixel density16.1 MP/cm²
6.02Crop factor6.02
—Maximum video—
115 gWeight105 g
MultiMedia, Secure DigitalStorageSecure Digital
Lithium-Ion rechargeable Li-ion batteryBatteryLithium-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 S and Optio S4i have the same sensor area. The Optio S4i has the lighter body. The Optio S4i has the higher effective resolution. The Optio S4i is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Optio S4i
Released in 2004, Optio S4i has about 25 mm² of sensor area, 4 MP effective resolution, and a 105 g body. Use these values to narrow the field, not as an overall image-quality score.