cameracomparison · 2-way
ZWO ASI432MM vs Atik 460EX
ZWO
ASI432MM
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
Atik
460EX
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
Key differences
10% larger sensor
Larger pixels (9µm vs 4.54µm)
-70% more resolution
Specifications
| Specification | ZWO ASI432MM | Atik 460EX |
|---|---|---|
| Sensor | ||
| Type | dedicated | dedicated |
| Sensor | Sony IMX432 | Sony ICX694ALG |
| Sensor tech | CMOS | CCD |
| Format | 1.1" | 4/3" |
| Sensor size | 14.1×10.6mm | 12.5×10.0mm |
| Diagonal | 17.6mm | 16.0mm |
| Pixel size | 9.00µm | 4.54µm |
| Resolution | 1608×1104 | 2749×2199 |
| Megapixels | 1.8MP | 6.0MP |
| Color | No | No |
| Cooling | ||
| Cooled | Yes | Yes |
| Performance | ||
| Full well | 90000e⁻ | 20000e⁻ |
| Peak QE | 80% | 77% |
Advantages of ZWO ASI432MM
- Larger pixels — better low-light per-pixel sensitivity
Advantages of Atik 460EX
- Finer sampling at 4.54µm pixels
- Higher resolution (6MP vs 1.78MP)
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 — Atik 460EX
- 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
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
Atik 460EX — typical FOV & scale
- On 250mm refractor (wide)FOV: 2.87° × 2.29°Scale: 3.75"/px
- On 800mm SCT reducerFOV: 0.90° × 0.72°Scale: 1.17"/px
- On 2000mm SCT nativeFOV: 0.36° × 0.29°Scale: 0.47"/px
ZWO ASI432MM — recommended user
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
Atik 460EX — recommended user
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.