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 S30
VS
Sensor area
25 mm²
Optio S21 mm²
Optio S30- Area ratio
- 1.17:1
- Absolute difference
- 4 mm²
- Relative difference
- 16.5%
The Optio S has the larger sensor area. More area usually means greater light-gathering potential, though real image quality still depends on sensor architecture and generation.
These cameras were released 1 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
Optio SMetricOptio S30
3.1 MPEffective pixels3.1 MP
5.75 × 4.32Sensor5.33 × 4
2.83 µmPixel pitch2.62 µm
8.01 µm²Pixel area6.88 µm²
12.48 MP/cm²Pixel density14.54 MP/cm²
6.02Crop factor6.49
—Maximum video—
115 gWeight175 g
MultiMedia, Secure DigitalStorageInternal storage
Lithium-Ion rechargeable Li-ion batteryBatteryAA (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 S has the larger sensor area. The Optio S has the lighter body. The Optio S and Optio S30 have the same effective resolution. The Optio S30 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Optio S30
Released in 2004, Optio S30 has about 21 mm² of sensor area, 3.1 MP effective resolution, and a 175 g body. Use these values to narrow the field, not as an overall image-quality score.