Reasons to choose a7C
Released in 2020, a7C has about 847 mm² of sensor area, 24.2 MP effective resolution, and a 509 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Sony a7C
vs Sony a7S III
VS
Sensor area
847 mm²
a7C847 mm²
a7S III- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The a7C and a7S III have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.
Key specification differences
a7CMetrica7S III
24.2 MPEffective pixels12.1 MP
35.6 × 23.8Sensor35.6 × 23.8
5.92 µmPixel pitch8.37 µm
35.01 µm²Pixel area70.02 µm²
2.86 MP/cm²Pixel density1.43 MP/cm²
1.01Crop factor1.01
3,840 × 2,160Maximum video4,264 × 2,408
509 gWeight614 g
SD/SDHC/SDXC/MS Pro DuoStorageSD/SDHC/SDXC/MS Pro Duo/CFexpress
NP-FZ100 lithium-ion battery Li-ion batteryBatteryNP-FZ100 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 a7C and a7S III have the same sensor area. The a7C has the lighter body. The a7C has the higher effective resolution. The a7C and a7S III were both released in 2020. Also consider the lens system and subjects you shoot.
Reasons to choose a7S III
Released in 2020, a7S III has about 847 mm² of sensor area, 12.1 MP effective resolution, and a 614 g body. Use these values to narrow the field, not as an overall image-quality score.