cameracomparison · 2-way
QHYCCD QHY183M vs QHYCCD QHY461M
QHYCCD
QHY183M
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
Key differences
-71% larger sensor
Finer pixels (2.4µm vs 3.76µm)
-80% more resolution
Specifications
| Specification | QHYCCD QHY183M | QHYCCD QHY461M |
|---|---|---|
| Sensor | ||
| Type | dedicated | dedicated |
| Sensor | Sony IMX183 | Sony IMX461 |
| Sensor tech | CMOS | CMOS |
| Format | 1" | Medium format |
| Sensor size | 13.2×8.8mm | 44.0×33.0mm |
| Diagonal | 15.9mm | 55.0mm |
| Pixel size | 2.40µm | 3.76µm |
| Resolution | 5544×3684 | 11760×8896 |
| Megapixels | 20.4MP | 102.0MP |
| Color | No | No |
| Cooling | ||
| Cooled | Yes | Yes |
| Performance | ||
| Full well | 15000e⁻ | 51000e⁻ |
| Peak QE | 84% | 90% |
Advantages of QHYCCD QHY183M
- Finer sampling at 2.4µm pixels
Advantages of QHYCCD QHY461M
- Larger sensor (55mm vs 15.9mm diagonal) — wider field
- Larger pixels — better low-light per-pixel sensitivity
- Higher resolution (102MP vs 20.4MP)
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
Best for — QHYCCD QHY461M
- Wide-field mosaics and full-frame telescopes
- Well-sampled deep-sky at medium focal lengths
- Long-exposure deep-sky under any sky
- Narrowband and LRGB workflows
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 QHY461M — typical FOV & scale
- On 250mm refractor (wide)FOV: 10.08° × 7.56°Scale: 3.10"/px
- On 800mm SCT reducerFOV: 3.15° × 2.36°Scale: 0.97"/px
- On 2000mm SCT nativeFOV: 1.26° × 0.95°Scale: 0.39"/px
QHYCCD QHY183M — recommended user
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
QHYCCD QHY461M — recommended user
A strong fit for dedicated deep-sky imagers pairing with wide-field refractors.