cameracomparison · 2-way
ZWO ASI662MC vs ZWO ASI715MC
ZWO
ASI662MC
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.
ZWO
ASI715MC
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.
Key differences
Larger pixels (2.9µm vs 1.45µm)
-75% more resolution
Specifications
| Specification | ZWO ASI662MC | ZWO ASI715MC |
|---|---|---|
| Sensor | ||
| Type | dedicated | dedicated |
| Sensor | Sony IMX662 | Sony IMX715 |
| Sensor tech | CMOS | CMOS |
| Format | 1/2.8" | 1/2.8" |
| Sensor size | 5.6×3.2mm | 5.6×3.2mm |
| Diagonal | 6.5mm | 6.5mm |
| Pixel size | 2.90µm | 1.45µm |
| Resolution | 1920×1080 | 3864×2180 |
| Megapixels | 2.1MP | 8.4MP |
| Color | Yes | Yes |
| Cooling | ||
| Cooled | No | No |
| Performance | ||
| Full well | 38000e⁻ | 7900e⁻ |
| Peak QE | 91% | 82% |
Advantages of ZWO ASI662MC
- Larger pixels — better low-light per-pixel sensitivity
Advantages of ZWO ASI715MC
- Finer sampling at 1.45µm pixels
- Higher resolution (8.42MP vs 2.07MP)
Best for — ZWO ASI662MC
- Longer focal lengths — tighter framing on small targets
- Well-sampled deep-sky at medium focal lengths
- One-shot color — quick results, less processing
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 ASI662MC — typical FOV & scale
- On 250mm refractor (wide)FOV: 1.28° × 0.73°Scale: 2.39"/px
- On 800mm SCT reducerFOV: 0.40° × 0.23°Scale: 0.75"/px
- On 2000mm SCT nativeFOV: 0.16° × 0.09°Scale: 0.30"/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 ASI662MC — recommended user
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.
ZWO ASI715MC — recommended user
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.