cameracomparison · 2-way
QHYCCD QHY10 vs ZWO ASI294MC Pro
ZWO
ASI294MC Pro
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
Key differences
22% larger sensor
Larger pixels (6.05µm vs 4.63µm)
-13% more resolution
Specifications
| Specification | QHYCCD QHY10 | ZWO ASI294MC Pro |
|---|---|---|
| Sensor | ||
| Type | dedicated | Dedicated Cooled |
| Sensor | Sony ICX493AQA | Sony IMX294 |
| Sensor tech | CCD | CMOS |
| Format | APS-C | 4/3" |
| Sensor size | 23.4×15.6mm | 19.1×13.0mm |
| Diagonal | 28.1mm | 23.1mm |
| Pixel size | 6.05µm | 4.63µm |
| Resolution | 3900×2620 | 4144×2822 |
| Megapixels | 10.2MP | 11.7MP |
| Color | Yes | Yes |
| Cooling | ||
| Cooled | Yes | Yes |
| Performance | ||
| Full well | 25000e⁻ | 63700e⁻ |
| Peak QE | 55% | 75% |
Advantages of QHYCCD QHY10
- Larger sensor (28.1mm vs 23.1mm diagonal) — wider field
- Larger pixels — better low-light per-pixel sensitivity
Advantages of ZWO ASI294MC Pro
- Finer sampling at 4.63µm pixels
- Higher resolution (11.7MP vs 10.2MP)
Best for — QHYCCD QHY10
- Balanced field for most refractors
- Fast, low-noise deep-sky at short focal lengths
- Long-exposure deep-sky under any sky
- One-shot color — quick results, less processing
Best for — ZWO ASI294MC Pro
- Balanced field for most refractors
- Fast, low-noise deep-sky at short focal lengths
- Long-exposure deep-sky under any sky
- One-shot color — quick results, less processing
QHYCCD QHY10 — typical FOV & scale
- On 250mm refractor (wide)FOV: 5.36° × 3.58°Scale: 4.99"/px
- On 800mm SCT reducerFOV: 1.68° × 1.12°Scale: 1.56"/px
- On 2000mm SCT nativeFOV: 0.67° × 0.45°Scale: 0.62"/px
ZWO ASI294MC Pro — typical FOV & scale
- On 250mm refractor (wide)FOV: 4.38° × 2.98°Scale: 3.82"/px
- On 800mm SCT reducerFOV: 1.37° × 0.93°Scale: 1.19"/px
- On 2000mm SCT nativeFOV: 0.55° × 0.37°Scale: 0.48"/px
QHYCCD QHY10 — recommended user
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
ZWO ASI294MC Pro — recommended user
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.