cameracomparison · 2-way
QHYCCD QHY268C vs QHYCCD QHY5L-II-C

QHYCCD
QHY268C
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.

QHYCCD
QHY5L-II-C
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.
Key differences
372% larger sensor
2014% more resolution
Cooled sensor
Specifications
| Specification | QHYCCD QHY268C | QHYCCD QHY5L-II-C |
|---|---|---|
| Sensor | ||
| Type | Dedicated Cooled | guide-camera |
| Sensor | Sony IMX571 | Aptina AR0130 |
| Sensor tech | CMOS | CMOS |
| Format | APS-C | 1/3" |
| Sensor size | 23.5×15.7mm | 4.8×3.6mm |
| Diagonal | 28.3mm | 6.0mm |
| Pixel size | 3.76µm | 3.75µm |
| Resolution | 6280×4210 | 1280×960 |
| Megapixels | 26.0MP | 1.2MP |
| Color | Yes | Yes |
| Cooling | ||
| Cooled | Yes | No |
| Performance | ||
| Full well | 51000e⁻ | 13000e⁻ |
| Peak QE | 80% | 50% |
Advantages of QHYCCD QHY268C
- Larger sensor (28.3mm vs 6mm diagonal) — wider field
- Higher resolution (26MP vs 1.23MP)
- Regulated cooling for long exposures
Advantages of QHYCCD QHY5L-II-C
Closely matched on the compared specs.
Best for — QHYCCD QHY268C
- 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
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
QHYCCD QHY268C — 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 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 QHY268C — recommended user
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
QHYCCD QHY5L-II-C — recommended user
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.