cameracomparison · 2-way
QHYCCD QHY533M vs QHYCCD QHY183M
QHYCCD
QHY533M
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
QHYCCD
QHY183M
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
Key differences
Larger pixels (3.76µm vs 2.4µm)
-56% more resolution
Specifications
| Specification | QHYCCD QHY533M | QHYCCD QHY183M |
|---|---|---|
| Sensor | ||
| Type | Dedicated Cooled | dedicated |
| Sensor | Sony IMX533 | Sony IMX183 |
| Sensor tech | CMOS | CMOS |
| Format | 1" | 1" |
| Sensor size | 11.3×11.3mm | 13.2×8.8mm |
| Diagonal | 16.0mm | 15.9mm |
| Pixel size | 3.76µm | 2.40µm |
| Resolution | 3008×3008 | 5544×3684 |
| Megapixels | 9.0MP | 20.4MP |
| Color | No | No |
| Cooling | ||
| Cooled | Yes | Yes |
| Performance | ||
| Full well | 50000e⁻ | 15000e⁻ |
| Peak QE | 80% | 84% |
Advantages of QHYCCD QHY533M
- Larger pixels — better low-light per-pixel sensitivity
Advantages of QHYCCD QHY183M
- Finer sampling at 2.4µm pixels
- Higher resolution (20.4MP vs 9MP)
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
Best for — QHYCCD QHY183M
- Longer focal lengths — tighter framing on small targets
- Planetary and lunar high-resolution imaging
- Long-exposure deep-sky under any sky
- Narrowband and LRGB workflows
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 QHY183M — typical FOV & scale
- On 250mm refractor (wide)FOV: 3.03° × 2.02°Scale: 1.98"/px
- On 800mm SCT reducerFOV: 0.95° × 0.63°Scale: 0.62"/px
- On 2000mm SCT nativeFOV: 0.38° × 0.25°Scale: 0.25"/px
QHYCCD QHY533M — recommended user
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
QHYCCD QHY183M — recommended user
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.