cameracomparison · 2-way
ZWO ASI432MM vs QHYCCD QHY5III200M
ZWO
ASI432MM
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
QHYCCD
QHY5III200M
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.
Key differences
Cooled sensor
Specifications
| Specification | ZWO ASI432MM | QHYCCD QHY5III200M |
|---|---|---|
| Sensor | ||
| Type | dedicated | guide-camera |
| Sensor | Sony IMX432 | Sony IMX432 |
| Sensor tech | CMOS | CMOS |
| Format | 1.1" | 1.1" |
| Sensor size | 14.1×10.6mm | 14.1×10.6mm |
| Diagonal | 17.6mm | 17.6mm |
| Pixel size | 9.00µm | 9.00µm |
| Resolution | 1608×1104 | 1608×1104 |
| Megapixels | 1.8MP | 1.8MP |
| Color | No | No |
| Cooling | ||
| Cooled | Yes | No |
| Performance | ||
| Full well | 90000e⁻ | 90000e⁻ |
| Peak QE | 80% | 80% |
Advantages of ZWO ASI432MM
- Regulated cooling for long exposures
Advantages of QHYCCD QHY5III200M
Closely matched on the compared specs.
Best for — ZWO ASI432MM
- Longer focal lengths — tighter framing on small targets
- Fast, low-noise deep-sky at short focal lengths
- Long-exposure deep-sky under any sky
- Narrowband and LRGB workflows
Best for — QHYCCD QHY5III200M
- Longer focal lengths — tighter framing on small targets
- Fast, low-noise deep-sky at short focal lengths
- Narrowband and LRGB workflows
ZWO ASI432MM — typical FOV & scale
- On 250mm refractor (wide)FOV: 3.23° × 2.42°Scale: 7.43"/px
- On 800mm SCT reducerFOV: 1.01° × 0.76°Scale: 2.32"/px
- On 2000mm SCT nativeFOV: 0.40° × 0.30°Scale: 0.93"/px
QHYCCD QHY5III200M — typical FOV & scale
- On 250mm refractor (wide)FOV: 3.23° × 2.42°Scale: 7.43"/px
- On 800mm SCT reducerFOV: 1.01° × 0.76°Scale: 2.32"/px
- On 2000mm SCT nativeFOV: 0.40° × 0.30°Scale: 0.93"/px
ZWO ASI432MM — recommended user
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
QHYCCD QHY5III200M — recommended user
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.