Reasons to choose Optio 30
Released in 2004, Optio 30 has about 21 mm² of sensor area, 3.34 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 30
vs Pentax Optio 50
VS
Sensor area
21 mm²
Optio 3025 mm²
Optio 50- Area ratio
- 1.17:1
- Absolute difference
- 4 mm²
- Relative difference
- 16.5%
The Optio 50 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 30MetricOptio 50
3.34 MPEffective pixels4.9 MP
5.33 × 4Sensor5.75 × 4.32
2.53 µmPixel pitch2.25 µm
6.38 µm²Pixel area5.07 µm²
15.67 MP/cm²Pixel density19.73 MP/cm²
6.49Crop factor6.02
—Maximum video—
130 gWeight130 g
Secure DigitalStorageSecure Digital
1x CR-V3, 2x AABatteryAA (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 50 has the larger sensor area. The Optio 30 and Optio 50 have the same body weight. The Optio 50 has the higher effective resolution. The Optio 50 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Optio 50
Released in 2005, Optio 50 has about 25 mm² of sensor area, 4.9 MP effective resolution, and a 130 g body. Use these values to narrow the field, not as an overall image-quality score.