cameracomparison · 2-way
ZWO ASI071MC Pro vs ZWO ASI294MC Air
ZWO
ASI071MC Pro
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
ZWO
ASI294MC Air
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
Key differences
22% larger sensor
38% more resolution
Specifications
| Specification | ZWO ASI071MC Pro | ZWO ASI294MC Air |
|---|---|---|
| Sensor | ||
| Type | dedicated | dedicated |
| Sensor | Sony IMX071 | Sony IMX294 |
| Sensor tech | CMOS | CMOS |
| Format | APS-C | 4/3" |
| Sensor size | 23.6×15.6mm | 19.1×13.0mm |
| Diagonal | 28.4mm | 23.2mm |
| Pixel size | 4.78µm | 4.63µm |
| Resolution | 4944×3284 | 4144×2822 |
| Megapixels | 16.2MP | 11.7MP |
| Color | Yes | Yes |
| Cooling | ||
| Cooled | Yes | Yes |
| Performance | ||
| Full well | 46000e⁻ | 66000e⁻ |
| Peak QE | 50% | 75% |
Advantages of ZWO ASI071MC Pro
- Larger sensor (28.4mm vs 23.2mm diagonal) — wider field
- Higher resolution (16.2MP vs 11.7MP)
Advantages of ZWO ASI294MC Air
Closely matched on the compared specs.
Best for — ZWO ASI071MC Pro
- Balanced field for most refractors
- Fast, low-noise deep-sky at short focal lengths
- Long-exposure deep-sky under any sky
- One-shot color — quick results, less processing
Best for — ZWO ASI294MC Air
- Balanced field for most refractors
- Fast, low-noise deep-sky at short focal lengths
- Long-exposure deep-sky under any sky
- One-shot color — quick results, less processing
ZWO ASI071MC Pro — typical FOV & scale
- On 250mm refractor (wide)FOV: 5.41° × 3.58°Scale: 3.94"/px
- On 800mm SCT reducerFOV: 1.69° × 1.12°Scale: 1.23"/px
- On 2000mm SCT nativeFOV: 0.68° × 0.45°Scale: 0.49"/px
ZWO ASI294MC Air — typical FOV & scale
- On 250mm refractor (wide)FOV: 4.38° × 2.98°Scale: 3.82"/px
- On 800mm SCT reducerFOV: 1.37° × 0.93°Scale: 1.19"/px
- On 2000mm SCT nativeFOV: 0.55° × 0.37°Scale: 0.48"/px
ZWO ASI071MC Pro — recommended user
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
ZWO ASI294MC Air — recommended user
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.