cameracomparison · 2-way
ZWO ASI6200MM Pro vs ZWO ASI120MC-S
ZWO
ASI120MC-S
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.
Key differences
622% larger sensor
4941% more resolution
Cooled sensor
Mono vs color
Specifications
| Specification | ZWO ASI6200MM Pro | ZWO ASI120MC-S |
|---|---|---|
| Sensor | ||
| Type | Dedicated Cooled | guide-camera |
| Sensor | Sony IMX455 | AR0130CS |
| Sensor tech | CMOS | CMOS |
| Format | Full Frame | 1/3" |
| Sensor size | 36.0×24.0mm | 4.8×3.6mm |
| Diagonal | 43.3mm | 6.0mm |
| Pixel size | 3.76µm | 3.75µm |
| Resolution | 9576×6388 | 1280×960 |
| Megapixels | 62.0MP | 1.2MP |
| Color | No | Yes |
| Cooling | ||
| Cooled | Yes | No |
| Performance | ||
| Full well | 51400e⁻ | 13000e⁻ |
| Peak QE | 91% | 50% |
Advantages of ZWO ASI6200MM Pro
- Larger sensor (43.3mm vs 6mm diagonal) — wider field
- Higher resolution (62MP vs 1.23MP)
- Regulated cooling for long exposures
- Mono sensor — ideal for narrowband and LRGB
Advantages of ZWO ASI120MC-S
- One-shot color — simpler workflow
Best for — ZWO ASI6200MM Pro
- Wide-field mosaics and full-frame telescopes
- Well-sampled deep-sky at medium focal lengths
- Long-exposure deep-sky under any sky
- Narrowband and LRGB workflows
Best for — ZWO ASI120MC-S
- Longer focal lengths — tighter framing on small targets
- Well-sampled deep-sky at medium focal lengths
- One-shot color — quick results, less processing
ZWO ASI6200MM Pro — typical FOV & scale
- On 250mm refractor (wide)FOV: 8.25° × 5.50°Scale: 3.10"/px
- On 800mm SCT reducerFOV: 2.58° × 1.72°Scale: 0.97"/px
- On 2000mm SCT nativeFOV: 1.03° × 0.69°Scale: 0.39"/px
ZWO ASI120MC-S — typical FOV & scale
- On 250mm refractor (wide)FOV: 1.10° × 0.83°Scale: 3.09"/px
- On 800mm SCT reducerFOV: 0.34° × 0.26°Scale: 0.97"/px
- On 2000mm SCT nativeFOV: 0.14° × 0.10°Scale: 0.39"/px
ZWO ASI6200MM Pro — recommended user
A strong fit for dedicated deep-sky imagers pairing with wide-field refractors.
ZWO ASI120MC-S — recommended user
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.