cameracomparison · 2-way
QHYCCD QHY5L-II-C vs QHYCCD QHY5III585C

QHYCCD
QHY5L-II-C
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.

QHYCCD
QHY5III585C
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.
Key differences
-53% larger sensor
Larger pixels (3.75µm vs 2.9µm)
-85% more resolution
Specifications
| Specification | QHYCCD QHY5L-II-C | QHYCCD QHY5III585C |
|---|---|---|
| Sensor | ||
| Type | guide-camera | guide-camera |
| Sensor | Aptina AR0130 | Sony IMX585 |
| Sensor tech | CMOS | CMOS |
| Format | 1/3" | 1/1.2" |
| Sensor size | 4.8×3.6mm | 11.2×6.3mm |
| Diagonal | 6.0mm | 12.9mm |
| Pixel size | 3.75µm | 2.90µm |
| Resolution | 1280×960 | 3856×2180 |
| Megapixels | 1.2MP | 8.4MP |
| Color | Yes | Yes |
| Cooling | ||
| Cooled | No | No |
| Performance | ||
| Full well | 13000e⁻ | 38000e⁻ |
| Peak QE | 50% | 91% |
Advantages of QHYCCD QHY5L-II-C
- Larger pixels — better low-light per-pixel sensitivity
Advantages of QHYCCD QHY5III585C
- Larger sensor (12.9mm vs 6mm diagonal) — wider field
- Finer sampling at 2.9µm pixels
- Higher resolution (8.4MP vs 1.23MP)
Best for — QHYCCD QHY5L-II-C
- 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 QHY5III585C
- Longer focal lengths — tighter framing on small targets
- Well-sampled deep-sky at medium focal lengths
- One-shot color — quick results, less processing
QHYCCD QHY5L-II-C — 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
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 QHY5L-II-C — recommended user
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.
QHYCCD QHY5III585C — recommended user
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.