Reasons to choose Optio RZ18
Released in 2011, Optio RZ18 has about 28 mm² of sensor area, 16 MP effective resolution, and a 190 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Pentax Optio RZ18
vs Pentax Optio WG-1 GPS
VS
Sensor area
28 mm²
Optio RZ1828 mm²
Optio WG-1 GPS- Area ratio
- 1.03:1
- Absolute difference
- 1 mm²
- Relative difference
- 2.6%
The Optio WG-1 GPS has the larger sensor area. More area usually means greater light-gathering potential, though real image quality still depends on sensor architecture and generation.
Key specification differences
Optio RZ18MetricOptio WG-1 GPS
16 MPEffective pixels14 MP
6.08 × 4.56Sensor6.16 × 4.62
1.32 µmPixel pitch1.43 µm
1.73 µm²Pixel area2.03 µm²
57.71 MP/cm²Pixel density49.19 MP/cm²
5.69Crop factor5.62
—Maximum video—
190 gWeight157 g
SDHC, SDXC, Secure DigitalStorageSDHC, SDXC, Secure Digital
Lithium-Ion D-LI92 rechargeable battery Li-ion batteryBatteryLithium-Ion D-LI92 rechargeable battery 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 WG-1 GPS has the larger sensor area. The Optio WG-1 GPS has the lighter body. The Optio RZ18 has the higher effective resolution. The Optio RZ18 and Optio WG-1 GPS were both released in 2011. Also consider the lens system and subjects you shoot.
Reasons to choose Optio WG-1 GPS
Released in 2011, Optio WG-1 GPS has about 28 mm² of sensor area, 14 MP effective resolution, and a 157 g body. Use these values to narrow the field, not as an overall image-quality score.