camera
ZWO
ASI183MM Pro
1" · 5496×3672 · Mono · Cooled
Cooled 1" mono CMOS.
Best for
- 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
Specifications
| Sensor | |
| Type | dedicated |
| Sensor | Sony IMX183 |
| Sensor tech | CMOS |
| Format | 1" |
| Sensor size | 13.2×8.8mm |
| Diagonal | 15.9mm |
| Pixel size | 2.40µm |
| Resolution | 5496×3672 |
| Megapixels | 20.2MP |
| Color | No |
| Cooling & performance | |
| Cooled | Yes |
| Full well | 15000e⁻ |
| Peak QE | 84% |
Typical FOV & image scale
On 250mm refractor (wide)
FOV 3.03° × 2.02°
Scale 1.98″/px
On 800mm SCT reducer
FOV 0.95° × 0.63°
Scale 0.62″/px
On 2000mm SCT native
FOV 0.38° × 0.25°
Scale 0.25″/px
Typical targets
- Messier M25 — Open Cluster M25Open Cluster · 32′
- Messier M22 — Great Sagittarius ClusterGlobular Cluster · 32′
- Messier M39 — Open Cluster M39Open Cluster · 32′
- NGC NGC 55 — Sculptor FilamentGalaxy · 32′
- Messier M47 — Open Cluster M47Open Cluster · 30′
- Messier M67 — Open Cluster M67Open Cluster · 30′
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