camera
ZWO
ASI533MM Pro
1-inch square · 3008×3008 · Mono · Cooled
Best for
- Longer focal lengths — tighter framing on small targets
- Well-sampled deep-sky at medium focal lengths
- Long-exposure deep-sky under any sky
- Narrowband and LRGB workflows
Specifications
| Sensor | |
| Type | Dedicated Cooled |
| Sensor | Sony IMX533 |
| Sensor tech | CMOS |
| Format | 1-inch square |
| Sensor size | 11.3×11.3mm |
| Diagonal | 16.0mm |
| Pixel size | 3.76µm |
| Resolution | 3008×3008 |
| Megapixels | 9.0MP |
| Color | No |
| Cooling & performance | |
| Cooled | Yes |
| Full well | 50000e⁻ |
| Peak QE | 91% |
Typical FOV & image scale
On 250mm refractor (wide)
FOV 2.59° × 2.59°
Scale 3.10″/px
On 800mm SCT reducer
FOV 0.81° × 0.81°
Scale 0.97″/px
On 2000mm SCT native
FOV 0.32° × 0.32°
Scale 0.39″/px
Typical targets
- Messier M23 — Open Cluster M23Open Cluster · 27′
- Messier M46 — Open Cluster M46Open Cluster · 27′
- NGC NGC 253 — Sculptor GalaxyGalaxy · 27′
- Messier M81 — Bode's GalaxyGalaxy · 26.9′
- Messier M20 — Trifid NebulaEmission Nebula · 28′
- Messier M35 — Open Cluster M35Open Cluster · 28′
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