cameracomparison · 2-way
ZWO ASI715MC vs ZWO ASI432MM
ZWO
ASI715MC
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.
ZWO
ASI432MM
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
Key differences
-63% larger sensor
Finer pixels (1.45µm vs 9µm)
373% more resolution
Uncooled
Color vs mono
Specifications
| Specification | ZWO ASI715MC | ZWO ASI432MM |
|---|---|---|
| Sensor | ||
| Type | dedicated | dedicated |
| Sensor | Sony IMX715 | Sony IMX432 |
| Sensor tech | CMOS | CMOS |
| Format | 1/2.8" | 1.1" |
| Sensor size | 5.6×3.2mm | 14.1×10.6mm |
| Diagonal | 6.5mm | 17.6mm |
| Pixel size | 1.45µm | 9.00µm |
| Resolution | 3864×2180 | 1608×1104 |
| Megapixels | 8.4MP | 1.8MP |
| Color | Yes | No |
| Cooling | ||
| Cooled | No | Yes |
| Performance | ||
| Full well | 7900e⁻ | 90000e⁻ |
| Peak QE | 82% | 80% |
Advantages of ZWO ASI715MC
- Finer sampling at 1.45µm pixels
- Higher resolution (8.42MP vs 1.78MP)
- One-shot color — simpler workflow
Advantages of ZWO ASI432MM
- Larger sensor (17.6mm vs 6.46mm diagonal) — wider field
- Larger pixels — better low-light per-pixel sensitivity
- Regulated cooling for long exposures
- Mono sensor — ideal for narrowband and LRGB
Best for — ZWO ASI715MC
- Longer focal lengths — tighter framing on small targets
- Planetary and lunar high-resolution imaging
- One-shot color — quick results, less processing
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
ZWO ASI715MC — typical FOV & scale
- On 250mm refractor (wide)FOV: 1.28° × 0.73°Scale: 1.20"/px
- On 800mm SCT reducerFOV: 0.40° × 0.23°Scale: 0.37"/px
- On 2000mm SCT nativeFOV: 0.16° × 0.09°Scale: 0.15"/px
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
ZWO ASI715MC — recommended user
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.
ZWO ASI432MM — recommended user
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.