Reasons to choose EOS R
Released in 2018, EOS R has about 864 mm² of sensor area, 30.3 MP effective resolution, and a 660 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Canon EOS R
vs Pentax K-1 Mark II
VS
Sensor area
864 mm²
EOS R862 mm²
K-1 Mark II- Area ratio
- 1:1
- Absolute difference
- 2 mm²
- Relative difference
- 0.3%
The EOS R 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
EOS RMetricK-1 Mark II
30.3 MPEffective pixels36.4 MP
36 × 24Sensor35.9 × 24
5.34 µmPixel pitch4.87 µm
28.51 µm²Pixel area23.67 µm²
3.51 MP/cm²Pixel density4.22 MP/cm²
1Crop factor1
3,840 × 2,160Maximum video1,920 × 1,080
660 gWeight1,010 g
SD/SDHC/SDXCStorageSD/SDHC/SDXC (UHS-I)
LP-E6N lithium-ion battery Li-ion batteryBatteryD-LI90 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 EOS R has the larger sensor area. The EOS R has the lighter body. The K-1 Mark II has the higher effective resolution. The EOS R and K-1 Mark II were both released in 2018. Also consider the lens system and subjects you shoot.
Reasons to choose K-1 Mark II
Released in 2018, K-1 Mark II 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.