camera
ZWO
ASI220MM Mini
1.1" · 1608×1104 · Mono
Large-pixel guiding/allsky mono.
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Product specifications can change. Please verify specifications and compatibility with the manufacturer or retailer before purchasing.
Best for
- Longer focal lengths — tighter framing on small targets
- Fast, low-noise deep-sky at short focal lengths
- Narrowband and LRGB workflows
Specifications
| Sensor | |
| Type | guide-camera |
| Sensor | Sony IMX432 |
| Sensor tech | CMOS |
| Format | 1.1" |
| Sensor size | 14.1×10.6mm |
| Diagonal | 17.6mm |
| Pixel size | 9.00µm |
| Resolution | 1608×1104 |
| Megapixels | 1.8MP |
| Color | No |
| Cooling & performance | |
| Cooled | No |
| Full well | 90000e⁻ |
| Peak QE | 80% |
Typical FOV & image scale
On 250mm refractor (wide)
FOV 3.23° × 2.42°
Scale 7.43″/px
On 800mm SCT reducer
FOV 1.01° × 0.76°
Scale 2.32″/px
On 2000mm SCT native
FOV 0.40° × 0.30°
Scale 0.93″/px
Typical targets
- M16 — Eagle NebulaEmission Nebula · 35′Plan this target
- NGC 281 — Pacman NebulaEmission Nebula · 35′Plan this target
- M34 — Open Cluster M34Open Cluster · 35′Plan this target
- M25 — Open Cluster M25Open Cluster · 32′Plan this target
- M22 — Great Sagittarius ClusterGlobular Cluster · 32′Plan this target
- M39 — Open Cluster M39Open Cluster · 32′Plan this target
