cameracomparison · 2-way
Sony A7 III vs ZWO ASI6200MC Pro
Key differences
Larger pixels (5.91µm vs 3.76µm)
-61% more resolution
Uncooled
Specifications
| Specification | Sony A7 III | ZWO ASI6200MC Pro |
|---|---|---|
| Sensor | ||
| Type | dslr | Dedicated Cooled |
| Sensor | Sony FF BSI | Sony IMX455 |
| Sensor tech | CMOS | CMOS |
| Format | Full frame | Full Frame |
| Sensor size | 35.6×23.8mm | 36.0×24.0mm |
| Diagonal | 42.8mm | 43.3mm |
| Pixel size | 5.91µm | 3.76µm |
| Resolution | 6000×4000 | 9576×6388 |
| Megapixels | 24.2MP | 62.0MP |
| Color | Yes | Yes |
| Cooling | ||
| Cooled | No | Yes |
| Performance | ||
| Full well | — | 51400e⁻ |
| Peak QE | — | 80% |
Advantages of Sony A7 III
- Larger pixels — better low-light per-pixel sensitivity
Advantages of ZWO ASI6200MC Pro
- Finer sampling at 3.76µm pixels
- Higher resolution (62MP vs 24.2MP)
- Regulated cooling for long exposures
Best for — Sony A7 III
- Wide-field mosaics and full-frame telescopes
- Fast, low-noise deep-sky at short focal lengths
- One-shot color — quick results, less processing
Best for — ZWO ASI6200MC Pro
- Wide-field mosaics and full-frame telescopes
- Well-sampled deep-sky at medium focal lengths
- Long-exposure deep-sky under any sky
- One-shot color — quick results, less processing
Sony A7 III — typical FOV & scale
- On 250mm refractor (wide)FOV: 8.16° × 5.45°Scale: 4.88"/px
- On 800mm SCT reducerFOV: 2.55° × 1.70°Scale: 1.52"/px
- On 2000mm SCT nativeFOV: 1.02° × 0.68°Scale: 0.61"/px
ZWO ASI6200MC Pro — typical FOV & scale
- On 250mm refractor (wide)FOV: 8.25° × 5.50°Scale: 3.10"/px
- On 800mm SCT reducerFOV: 2.58° × 1.72°Scale: 0.97"/px
- On 2000mm SCT nativeFOV: 1.03° × 0.69°Scale: 0.39"/px
Sony A7 III — recommended user
A strong fit for photographers stepping into astro pairing with wide-field refractors.
ZWO ASI6200MC Pro — recommended user
A strong fit for dedicated deep-sky imagers pairing with wide-field refractors.