cameracomparison · 2-way
QHYCCD QHY5III715C vs QHYCCD QHY10

QHYCCD
QHY5III715C
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.

Key differences
-77% larger sensor
Finer pixels (1.45µm vs 6.05µm)
-17% more resolution
Uncooled
Specifications
| Specification | QHYCCD QHY5III715C | QHYCCD QHY10 |
|---|---|---|
| Sensor | ||
| Type | guide-camera | dedicated |
| Sensor | Sony IMX715 | Sony ICX493AQA |
| Sensor tech | CMOS | CCD |
| Format | 1/2.8" | APS-C |
| Sensor size | 5.6×3.2mm | 23.4×15.6mm |
| Diagonal | 6.5mm | 28.1mm |
| Pixel size | 1.45µm | 6.05µm |
| Resolution | 3864×2180 | 3900×2620 |
| Megapixels | 8.4MP | 10.2MP |
| Color | Yes | Yes |
| Cooling | ||
| Cooled | No | Yes |
| Performance | ||
| Full well | 7900e⁻ | 25000e⁻ |
| Peak QE | 82% | 55% |
Advantages of QHYCCD QHY5III715C
- Finer sampling at 1.45µm pixels
Advantages of QHYCCD QHY10
- Larger sensor (28.1mm vs 6.46mm diagonal) — wider field
- Larger pixels — better low-light per-pixel sensitivity
- Higher resolution (10.2MP vs 8.42MP)
- Regulated cooling for long exposures
Best for — QHYCCD QHY5III715C
- Longer focal lengths — tighter framing on small targets
- Planetary and lunar high-resolution imaging
- One-shot color — quick results, less processing
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
QHYCCD QHY5III715C — 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
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
QHYCCD QHY5III715C — recommended user
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.
QHYCCD QHY10 — recommended user
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.