CameraLore
Side-by-side comparison

Pentax Optio S50
vs Pentax Optio S55

Archive illustration for Pentax Optio S50

Pentax / 2004

Optio S50

Full specifications
VS
Archive illustration for Pentax Optio S55

Pentax / 2005

Optio S55

Full specifications

Sensor area

Calibrate screen size

Enter your display diagonal so sensor rectangles are shown closer to their physical size.

25 mm²
Optio S50
25 mm²
Optio S55
Area ratio
1:1
Absolute difference
0 mm²
Relative difference
0%

The Optio S50 and Optio S55 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 S50MetricOptio S55
5 MPEffective pixels5 MP
5.75 × 4.32Sensor5.75 × 4.32
2.23 µmPixel pitch2.23 µm
4.97 µm²Pixel area4.97 µm²
20.13 MP/cm²Pixel density20.13 MP/cm²
6.02Crop factor6.02
—Maximum video—
180 gWeight135 g
Internal storageStorageSecure Digital
AA (2) batteries (NiMH recommended)BatteryAA (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 S50 and Optio S55 have the same sensor area. The Optio S55 has the lighter body. The Optio S50 and Optio S55 have the same effective resolution. The Optio S55 is the newer release. Also consider the lens system and subjects you shoot.

Reasons to choose Optio S50

Released in 2004, Optio S50 has about 25 mm² of sensor area, 5 MP effective resolution, and a 180 g body. Use these values to narrow the field, not as an overall image-quality score.

Reasons to choose Optio S55

Released in 2005, Optio S55 has about 25 mm² of sensor area, 5 MP effective resolution, and a 135 g body. Use these values to narrow the field, not as an overall image-quality score.

Choose different cameras