cameracomparison · 2-way
ZWO ASI071MC Pro vs ZWO ASI2600MM Duo

ZWO
ASI071MC Pro
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.

ZWO
ASI2600MM Duo
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
Key differences
Larger pixels (4.78µm vs 3.76µm)
-38% more resolution
Color vs mono
Specifications
| Specification | ZWO ASI071MC Pro | ZWO ASI2600MM Duo |
|---|---|---|
| Sensor | ||
| Type | dedicated | dedicated |
| Sensor | Sony IMX071 | Sony IMX571 + IMX533 |
| Sensor tech | CMOS | CMOS |
| Format | APS-C | APS-C |
| Sensor size | 23.6×15.6mm | 23.5×15.7mm |
| Diagonal | 28.4mm | 28.3mm |
| Pixel size | 4.78µm | 3.76µm |
| Resolution | 4944×3284 | 6248×4176 |
| Megapixels | 16.2MP | 26.1MP |
| Color | Yes | No |
| Cooling | ||
| Cooled | Yes | Yes |
| Performance | ||
| Full well | 46000e⁻ | 50000e⁻ |
| Peak QE | 50% | 80% |
Advantages of ZWO ASI071MC Pro
- Larger pixels — better low-light per-pixel sensitivity
- One-shot color — simpler workflow
Advantages of ZWO ASI2600MM Duo
- Finer sampling at 3.76µm pixels
- Higher resolution (26.1MP vs 16.2MP)
- Mono sensor — ideal for narrowband and LRGB
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 ASI2600MM Duo
- Balanced field for most refractors
- Well-sampled deep-sky at medium focal lengths
- Long-exposure deep-sky under any sky
- Narrowband and LRGB workflows
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 ASI2600MM Duo — typical FOV & scale
- On 250mm refractor (wide)FOV: 5.39° × 3.60°Scale: 3.10"/px
- On 800mm SCT reducerFOV: 1.68° × 1.12°Scale: 0.97"/px
- On 2000mm SCT nativeFOV: 0.67° × 0.45°Scale: 0.39"/px
ZWO ASI071MC Pro — recommended user
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
ZWO ASI2600MM Duo — recommended user
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.