Reasons to choose K-S2
Released in 2015, K-S2 has about 367 mm² of sensor area, 20.12 MP effective resolution, and a 678 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Pentax K-S2
vs Ricoh GR II
VS
Sensor area
367 mm²
K-S2371 mm²
GR II- Area ratio
- 1.01:1
- Absolute difference
- 4 mm²
- Relative difference
- 1.1%
The GR II 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
K-S2MetricGR II
20.12 MPEffective pixels16.2 MP
23.5 × 15.6Sensor23.6 × 15.7
4.27 µmPixel pitch4.78 µm
18.22 µm²Pixel area22.87 µm²
5.49 MP/cm²Pixel density4.37 MP/cm²
1.53Crop factor1.53
1,920 × 1,080Maximum video1,920 × 1,080
678 gWeight251 g
SD/SDHC/SDXCStorageSD/SDHC/SDXC
Li-Ion battery D-LI109 Li-ion batteryBatteryRechargeable Li-Ion battery DB-65 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 GR II has the larger sensor area. The GR II has the lighter body. The K-S2 has the higher effective resolution. The K-S2 and GR II were both released in 2015. Also consider the lens system and subjects you shoot.
Reasons to choose GR II
Released in 2015, GR II has about 371 mm² of sensor area, 16.2 MP effective resolution, and a 251 g body. Use these values to narrow the field, not as an overall image-quality score.