cameracomparison · 2-way
QHYCCD QHY5III200M vs QHYCCD QHY461M

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

Key differences
-68% larger sensor
Larger pixels (9µm vs 3.76µm)
-98% more resolution
Uncooled
Specifications
| Specification | QHYCCD QHY5III200M | QHYCCD QHY461M |
|---|---|---|
| Sensor | ||
| Type | guide-camera | dedicated |
| Sensor | Sony IMX432 | Sony IMX461 |
| Sensor tech | CMOS | CMOS |
| Format | 1.1" | Medium format |
| Sensor size | 14.1×10.6mm | 44.0×33.0mm |
| Diagonal | 17.6mm | 55.0mm |
| Pixel size | 9.00µm | 3.76µm |
| Resolution | 1608×1104 | 11760×8896 |
| Megapixels | 1.8MP | 102.0MP |
| Color | No | No |
| Cooling | ||
| Cooled | No | Yes |
| Performance | ||
| Full well | 90000e⁻ | 51000e⁻ |
| Peak QE | 80% | 90% |
Advantages of QHYCCD QHY5III200M
- Larger pixels — better low-light per-pixel sensitivity
Advantages of QHYCCD QHY461M
- Larger sensor (55mm vs 17.6mm diagonal) — wider field
- Finer sampling at 3.76µm pixels
- Higher resolution (102MP 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 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 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 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 QHY5III200M — recommended user
A strong fit for photographers stepping into astro 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.