CameraLore
Side-by-side comparison

Pentax Optio 50
vs Pentax Optio S4i

Archive illustration for Pentax Optio 50

Pentax / 2005

Optio 50

Full specifications
VS
Archive illustration for Pentax Optio S4i

Pentax / 2004

Optio S4i

Full specifications

Sensor area

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25 mm²
Optio 50
25 mm²
Optio S4i
Area ratio
1:1
Absolute difference
0 mm²
Relative difference
0%

The Optio 50 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 50MetricOptio S4i
4.9 MPEffective pixels4 MP
5.75 × 4.32Sensor5.75 × 4.32
2.25 µmPixel pitch2.49 µm
5.07 µm²Pixel area6.21 µm²
19.73 MP/cm²Pixel density16.1 MP/cm²
6.02Crop factor6.02
—Maximum video—
130 gWeight105 g
Secure DigitalStorageSecure 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 50 and Optio S4i have the same sensor area. The Optio S4i has the lighter body. 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.

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.

Choose different cameras