cameracomparison · 2-way
QHYCCD QHY5III715C vs QHYCCD QHY268C Pro
QHYCCD
QHY5III715C
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.
QHYCCD
QHY268C Pro
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
Key differences
-77% larger sensor
Finer pixels (1.45µm vs 3.76µm)
-68% more resolution
Uncooled
Specifications
| Specification | QHYCCD QHY5III715C | QHYCCD QHY268C Pro |
|---|---|---|
| Sensor | ||
| Type | guide-camera | dedicated |
| Sensor | Sony IMX715 | Sony IMX571 |
| Sensor tech | CMOS | CMOS |
| Format | 1/2.8" | APS-C |
| Sensor size | 5.6×3.2mm | 23.5×15.7mm |
| Diagonal | 6.5mm | 28.3mm |
| Pixel size | 1.45µm | 3.76µm |
| Resolution | 3864×2180 | 6280×4210 |
| Megapixels | 8.4MP | 26.4MP |
| Color | Yes | Yes |
| Cooling | ||
| Cooled | No | Yes |
| Performance | ||
| Full well | 7900e⁻ | 50000e⁻ |
| Peak QE | 82% | 80% |
Advantages of QHYCCD QHY5III715C
- Finer sampling at 1.45µm pixels
Advantages of QHYCCD QHY268C Pro
- Larger sensor (28.3mm vs 6.46mm diagonal) — wider field
- Larger pixels — better low-light per-pixel sensitivity
- Higher resolution (26.4MP 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 QHY268C Pro
- Balanced field for most refractors
- Well-sampled deep-sky at medium 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 QHY268C Pro — typical FOV & scale
- On 250mm refractor (wide)FOV: 5.39° × 3.60°Scale: 3.10"/px
- On 800mm SCT reducerFOV: 1.68° × 1.12°Scale: 0.97"/px
- On 2000mm SCT nativeFOV: 0.67° × 0.45°Scale: 0.39"/px
QHYCCD QHY5III715C — recommended user
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.
QHYCCD QHY268C Pro — recommended user
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.