cameracomparison · 2-way
ZWO ASI071MC Pro vs ZWO ASI183MM Pro
ZWO
ASI071MC Pro
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
ZWO
ASI183MM Pro
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
Key differences
79% larger sensor
Larger pixels (4.78µm vs 2.4µm)
-20% more resolution
Color vs mono
Specifications
| Specification | ZWO ASI071MC Pro | ZWO ASI183MM Pro |
|---|---|---|
| Sensor | ||
| Type | dedicated | dedicated |
| Sensor | Sony IMX071 | Sony IMX183 |
| Sensor tech | CMOS | CMOS |
| Format | APS-C | 1" |
| Sensor size | 23.6×15.6mm | 13.2×8.8mm |
| Diagonal | 28.4mm | 15.9mm |
| Pixel size | 4.78µm | 2.40µm |
| Resolution | 4944×3284 | 5496×3672 |
| Megapixels | 16.2MP | 20.2MP |
| Color | Yes | No |
| Cooling | ||
| Cooled | Yes | Yes |
| Performance | ||
| Full well | 46000e⁻ | 15000e⁻ |
| Peak QE | 50% | 84% |
Advantages of ZWO ASI071MC Pro
- Larger sensor (28.4mm vs 15.9mm diagonal) — wider field
- Larger pixels — better low-light per-pixel sensitivity
- One-shot color — simpler workflow
Advantages of ZWO ASI183MM Pro
- Finer sampling at 2.4µm pixels
- Higher resolution (20.2MP 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 ASI183MM Pro
- Longer focal lengths — tighter framing on small targets
- Planetary and lunar high-resolution imaging
- 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 ASI183MM Pro — typical FOV & scale
- On 250mm refractor (wide)FOV: 3.03° × 2.02°Scale: 1.98"/px
- On 800mm SCT reducerFOV: 0.95° × 0.63°Scale: 0.62"/px
- On 2000mm SCT nativeFOV: 0.38° × 0.25°Scale: 0.25"/px
ZWO ASI071MC Pro — recommended user
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
ZWO ASI183MM Pro — recommended user
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.