cameracomparison · 2-way
ZWO ASI1600MM Pro vs ZWO ASI715MC
ZWO
ASI1600MM Pro
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
ZWO
ASI715MC
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.
Key differences
244% larger sensor
Larger pixels (3.8µm vs 1.45µm)
95% more resolution
Cooled sensor
Mono vs color
Specifications
| Specification | ZWO ASI1600MM Pro | ZWO ASI715MC |
|---|---|---|
| Sensor | ||
| Type | Dedicated Cooled | dedicated |
| Sensor | Panasonic MN34230 | Sony IMX715 |
| Sensor tech | CMOS | CMOS |
| Format | 4/3" | 1/2.8" |
| Sensor size | 17.7×13.4mm | 5.6×3.2mm |
| Diagonal | 22.2mm | 6.5mm |
| Pixel size | 3.80µm | 1.45µm |
| Resolution | 4656×3520 | 3864×2180 |
| Megapixels | 16.4MP | 8.4MP |
| Color | No | Yes |
| Cooling | ||
| Cooled | Yes | No |
| Performance | ||
| Full well | 20000e⁻ | 7900e⁻ |
| Peak QE | 60% | 82% |
Advantages of ZWO ASI1600MM Pro
- Larger sensor (22.2mm vs 6.46mm diagonal) — wider field
- Larger pixels — better low-light per-pixel sensitivity
- Higher resolution (16.4MP vs 8.42MP)
- Regulated cooling for long exposures
- Mono sensor — ideal for narrowband and LRGB
Advantages of ZWO ASI715MC
- Finer sampling at 1.45µm pixels
- One-shot color — simpler workflow
Best for — ZWO ASI1600MM Pro
- Balanced field for most refractors
- Well-sampled deep-sky at medium focal lengths
- Long-exposure deep-sky under any sky
- Narrowband and LRGB workflows
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
ZWO ASI1600MM Pro — typical FOV & scale
- On 250mm refractor (wide)FOV: 4.06° × 3.07°Scale: 3.14"/px
- On 800mm SCT reducerFOV: 1.27° × 0.96°Scale: 0.98"/px
- On 2000mm SCT nativeFOV: 0.51° × 0.38°Scale: 0.39"/px
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 ASI1600MM Pro — recommended user
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
ZWO ASI715MC — recommended user
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.