cameracomparison · 2-way
QHYCCD QHY411M vs QHYCCD QHY183M
QHYCCD
QHY183M
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
Key differences
324% larger sensor
Larger pixels (3.76µm vs 2.4µm)
640% more resolution
Specifications
| Specification | QHYCCD QHY411M | QHYCCD QHY183M |
|---|---|---|
| Sensor | ||
| Type | dedicated | dedicated |
| Sensor | Sony IMX411 | Sony IMX183 |
| Sensor tech | CMOS | CMOS |
| Format | Medium format | 1" |
| Sensor size | 54.0×40.0mm | 13.2×8.8mm |
| Diagonal | 67.4mm | 15.9mm |
| Pixel size | 3.76µm | 2.40µm |
| Resolution | 14304×10748 | 5544×3684 |
| Megapixels | 151.0MP | 20.4MP |
| Color | No | No |
| Cooling | ||
| Cooled | Yes | Yes |
| Performance | ||
| Full well | 80000e⁻ | 15000e⁻ |
| Peak QE | 90% | 84% |
Advantages of QHYCCD QHY411M
- Larger sensor (67.4mm vs 15.9mm diagonal) — wider field
- Larger pixels — better low-light per-pixel sensitivity
- Higher resolution (151MP vs 20.4MP)
Advantages of QHYCCD QHY183M
- Finer sampling at 2.4µm pixels
Best for — QHYCCD QHY411M
- 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
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 QHY411M — typical FOV & scale
- On 250mm refractor (wide)FOV: 12.38° × 9.17°Scale: 3.10"/px
- On 800mm SCT reducerFOV: 3.87° × 2.87°Scale: 0.97"/px
- On 2000mm SCT nativeFOV: 1.55° × 1.15°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 QHY411M — recommended user
A strong fit for dedicated deep-sky imagers pairing with wide-field refractors.
QHYCCD QHY183M — recommended user
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.