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 Sony Alpha SLT-A68
VS
Sensor area
367 mm²
K-S2367 mm²
Alpha SLT-A68- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The K-S2 and Alpha SLT-A68 have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.
Key specification differences
K-S2MetricAlpha SLT-A68
20.12 MPEffective pixels24.2 MP
23.5 × 15.6Sensor23.5 × 15.6
4.27 µmPixel pitch3.89 µm
18.22 µm²Pixel area15.15 µm²
5.49 MP/cm²Pixel density6.6 MP/cm²
1.53Crop factor1.53
1,920 × 1,080Maximum video1,920 × 1,080
678 gWeight610 g
SD/SDHC/SDXCStorageSD/SDHC/SDXC, Memory Stick Pro Duo
Li-Ion battery D-LI109 Li-ion batteryBatteryNP-FM500H lithium-ion 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 K-S2 and Alpha SLT-A68 have the same sensor area. The Alpha SLT-A68 has the lighter body. The Alpha SLT-A68 has the higher effective resolution. The K-S2 and Alpha SLT-A68 were both released in 2015. Also consider the lens system and subjects you shoot.
Reasons to choose Alpha SLT-A68
Released in 2015, Alpha SLT-A68 has about 367 mm² of sensor area, 24.2 MP effective resolution, and a 610 g body. Use these values to narrow the field, not as an overall image-quality score.