Reasons to choose Optio 430RS
Released in 2002, Optio 430RS has about 38 mm² of sensor area, 3.8 MP effective resolution, and a 235 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Pentax Optio 430RS
vs Pentax Optio 550
VS
Sensor area
38 mm²
Optio 430RS38 mm²
Optio 550- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The Optio 430RS and Optio 550 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 430RSMetricOptio 550
3.8 MPEffective pixels5 MP
7.11 × 5.33Sensor7.11 × 5.33
3.16 µmPixel pitch2.75 µm
9.97 µm²Pixel area7.58 µm²
10.03 MP/cm²Pixel density13.19 MP/cm²
4.87Crop factor4.87
—Maximum video—
235 gWeight250 g
CompactFlash type IStorageMultiMedia, Secure 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 430RS and Optio 550 have the same sensor area. The Optio 430RS has the lighter body. The Optio 550 has the higher effective resolution. The Optio 550 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Optio 550
Released in 2003, Optio 550 has about 38 mm² of sensor area, 5 MP effective resolution, and a 250 g body. Use these values to narrow the field, not as an overall image-quality score.