cameracomparison · 2-way
QHYCCD QHY268M vs QHYCCD QHY533M
QHYCCD
QHY268M
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
QHYCCD
QHY533M
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
Key differences
77% larger sensor
189% more resolution
Specifications
| Specification | QHYCCD QHY268M | QHYCCD QHY533M |
|---|---|---|
| Sensor | ||
| Type | Dedicated Cooled | Dedicated Cooled |
| Sensor | Sony IMX571 | Sony IMX533 |
| Sensor tech | CMOS | CMOS |
| Format | APS-C | 1" |
| Sensor size | 23.5×15.7mm | 11.3×11.3mm |
| Diagonal | 28.3mm | 16.0mm |
| Pixel size | 3.76µm | 3.76µm |
| Resolution | 6280×4210 | 3008×3008 |
| Megapixels | 26.0MP | 9.0MP |
| Color | No | No |
| Cooling | ||
| Cooled | Yes | Yes |
| Performance | ||
| Full well | 51000e⁻ | 50000e⁻ |
| Peak QE | 91% | 80% |
Advantages of QHYCCD QHY268M
- Larger sensor (28.3mm vs 16mm diagonal) — wider field
- Higher resolution (26MP vs 9MP)
Advantages of QHYCCD QHY533M
Closely matched on the compared specs.
Best for — QHYCCD QHY268M
- Balanced field for most refractors
- Well-sampled deep-sky at medium focal lengths
- Long-exposure deep-sky under any sky
- Narrowband and LRGB workflows
Best for — QHYCCD QHY533M
- Longer focal lengths — tighter framing on small targets
- Well-sampled deep-sky at medium focal lengths
- Long-exposure deep-sky under any sky
- Narrowband and LRGB workflows
QHYCCD QHY268M — 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 QHY533M — typical FOV & scale
- On 250mm refractor (wide)FOV: 2.59° × 2.59°Scale: 3.10"/px
- On 800mm SCT reducerFOV: 0.81° × 0.81°Scale: 0.97"/px
- On 2000mm SCT nativeFOV: 0.32° × 0.32°Scale: 0.39"/px
QHYCCD QHY268M — recommended user
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
QHYCCD QHY533M — recommended user
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.