cameracomparison · 2-way
QHYCCD QHY5III585C vs QHYCCD QHY268C Pro
QHYCCD
QHY5III585C
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
-54% larger sensor
Finer pixels (2.9µm vs 3.76µm)
-68% more resolution
Uncooled
Specifications
| Specification | QHYCCD QHY5III585C | QHYCCD QHY268C Pro |
|---|---|---|
| Sensor | ||
| Type | guide-camera | dedicated |
| Sensor | Sony IMX585 | Sony IMX571 |
| Sensor tech | CMOS | CMOS |
| Format | 1/1.2" | APS-C |
| Sensor size | 11.2×6.3mm | 23.5×15.7mm |
| Diagonal | 12.9mm | 28.3mm |
| Pixel size | 2.90µm | 3.76µm |
| Resolution | 3856×2180 | 6280×4210 |
| Megapixels | 8.4MP | 26.4MP |
| Color | Yes | Yes |
| Cooling | ||
| Cooled | No | Yes |
| Performance | ||
| Full well | 38000e⁻ | 50000e⁻ |
| Peak QE | 91% | 80% |
Advantages of QHYCCD QHY5III585C
- Finer sampling at 2.9µm pixels
Advantages of QHYCCD QHY268C Pro
- Larger sensor (28.3mm vs 12.9mm diagonal) — wider field
- Larger pixels — better low-light per-pixel sensitivity
- Higher resolution (26.4MP vs 8.4MP)
- Regulated cooling for long exposures
Best for — QHYCCD QHY5III585C
- 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 — 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 QHY5III585C — typical FOV & scale
- On 250mm refractor (wide)FOV: 2.57° × 1.44°Scale: 2.39"/px
- On 800mm SCT reducerFOV: 0.80° × 0.45°Scale: 0.75"/px
- On 2000mm SCT nativeFOV: 0.32° × 0.18°Scale: 0.30"/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 QHY5III585C — 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.