Reasons to choose K-1
Released in 2016, K-1 has about 862 mm² of sensor area, 36.4 MP effective resolution, and a 1,010 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Pentax K-1
vs Sony Alpha 7R II
VS
Sensor area
862 mm²
K-1862 mm²
Alpha 7R II- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The K-1 and Alpha 7R II 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
K-1MetricAlpha 7R II
36.4 MPEffective pixels42.4 MP
35.9 × 24Sensor35.9 × 24
4.87 µmPixel pitch4.51 µm
23.67 µm²Pixel area20.32 µm²
4.22 MP/cm²Pixel density4.92 MP/cm²
1Crop factor1
1,920 × 1,080Maximum video3,840 × 2,160
1,010 gWeight625 g
SD/SDHC/SDXC (UHS-I)StorageSD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
D-LI90 lithium-ion battery Li-ion batteryBatteryRechargeable battery NP-FW50
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-1 and Alpha 7R II have the same sensor area. The Alpha 7R II has the lighter body. The Alpha 7R II has the higher effective resolution. The K-1 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Alpha 7R II
Released in 2015, Alpha 7R II has about 862 mm² of sensor area, 42.4 MP effective resolution, and a 625 g body. Use these values to narrow the field, not as an overall image-quality score.