cameracomparison · 2-way
Sony A1 vs ZWO ASI4400MC Pro
Key differences
14% more resolution
Uncooled
Specifications
| Specification | Sony A1 | ZWO ASI4400MC Pro |
|---|---|---|
| Sensor | ||
| Type | dslr | Dedicated Cooled |
| Sensor | Sony FF stacked BSI | Sony IMX366 |
| Sensor tech | CMOS | CMOS |
| Format | Full frame | Full Frame |
| Sensor size | 35.9×24.0mm | 36.0×24.0mm |
| Diagonal | 43.2mm | 43.3mm |
| Pixel size | 4.35µm | 4.40µm |
| Resolution | 8640×5760 | 8192×5460 |
| Megapixels | 50.1MP | 44.0MP |
| Color | Yes | Yes |
| Cooling | ||
| Cooled | No | Yes |
| Performance | ||
| Full well | — | 74600e⁻ |
| Peak QE | — | 80% |
Advantages of Sony A1
- Higher resolution (50.1MP vs 44MP)
Advantages of ZWO ASI4400MC Pro
- Regulated cooling for long exposures
Best for — Sony A1
- 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 ASI4400MC Pro
- Wide-field mosaics and full-frame telescopes
- Fast, low-noise deep-sky at short focal lengths
- Long-exposure deep-sky under any sky
- One-shot color — quick results, less processing
Sony A1 — typical FOV & scale
- On 250mm refractor (wide)FOV: 8.23° × 5.50°Scale: 3.59"/px
- On 800mm SCT reducerFOV: 2.57° × 1.72°Scale: 1.12"/px
- On 2000mm SCT nativeFOV: 1.03° × 0.69°Scale: 0.45"/px
ZWO ASI4400MC Pro — typical FOV & scale
- On 250mm refractor (wide)FOV: 8.25° × 5.50°Scale: 3.63"/px
- On 800mm SCT reducerFOV: 2.58° × 1.72°Scale: 1.13"/px
- On 2000mm SCT nativeFOV: 1.03° × 0.69°Scale: 0.45"/px
Sony A1 — recommended user
A strong fit for photographers stepping into astro pairing with wide-field refractors.
ZWO ASI4400MC Pro — recommended user
A strong fit for dedicated deep-sky imagers pairing with wide-field refractors.
