cameracomparison · 2-way
QHYCCD QHY5III200M vs QHYCCD QHY411M

QHYCCD
QHY5III200M
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.

Key differences
-74% larger sensor
Larger pixels (9µm vs 3.76µm)
-99% more resolution
Uncooled
Specifications
| Specification | QHYCCD QHY5III200M | QHYCCD QHY411M |
|---|---|---|
| Sensor | ||
| Type | guide-camera | dedicated |
| Sensor | Sony IMX432 | Sony IMX411 |
| Sensor tech | CMOS | CMOS |
| Format | 1.1" | Medium format |
| Sensor size | 14.1×10.6mm | 54.0×40.0mm |
| Diagonal | 17.6mm | 67.4mm |
| Pixel size | 9.00µm | 3.76µm |
| Resolution | 1608×1104 | 14304×10748 |
| Megapixels | 1.8MP | 151.0MP |
| Color | No | No |
| Cooling | ||
| Cooled | No | Yes |
| Performance | ||
| Full well | 90000e⁻ | 80000e⁻ |
| Peak QE | 80% | 90% |
Advantages of QHYCCD QHY5III200M
- Larger pixels — better low-light per-pixel sensitivity
Advantages of QHYCCD QHY411M
- Larger sensor (67.4mm vs 17.6mm diagonal) — wider field
- Finer sampling at 3.76µm pixels
- Higher resolution (151MP vs 1.78MP)
- Regulated cooling for long exposures
Best for — QHYCCD QHY5III200M
- Longer focal lengths — tighter framing on small targets
- Fast, low-noise deep-sky at short focal lengths
- Narrowband and LRGB workflows
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
QHYCCD QHY5III200M — typical FOV & scale
- On 250mm refractor (wide)FOV: 3.23° × 2.42°Scale: 7.43"/px
- On 800mm SCT reducerFOV: 1.01° × 0.76°Scale: 2.32"/px
- On 2000mm SCT nativeFOV: 0.40° × 0.30°Scale: 0.93"/px
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 QHY5III200M — recommended user
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.
QHYCCD QHY411M — recommended user
A strong fit for dedicated deep-sky imagers pairing with wide-field refractors.