cameracomparison · 2-way
QHYCCD QHY5III585C vs QHYCCD QHY183M
QHYCCD
QHY5III585C
A strong fit for photographers stepping into astro 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
-19% larger sensor
Larger pixels (2.9µm vs 2.4µm)
-59% more resolution
Uncooled
Color vs mono
Specifications
| Specification | QHYCCD QHY5III585C | QHYCCD QHY183M |
|---|---|---|
| Sensor | ||
| Type | guide-camera | dedicated |
| Sensor | Sony IMX585 | Sony IMX183 |
| Sensor tech | CMOS | CMOS |
| Format | 1/1.2" | 1" |
| Sensor size | 11.2×6.3mm | 13.2×8.8mm |
| Diagonal | 12.9mm | 15.9mm |
| Pixel size | 2.90µm | 2.40µm |
| Resolution | 3856×2180 | 5544×3684 |
| Megapixels | 8.4MP | 20.4MP |
| Color | Yes | No |
| Cooling | ||
| Cooled | No | Yes |
| Performance | ||
| Full well | 38000e⁻ | 15000e⁻ |
| Peak QE | 91% | 84% |
Advantages of QHYCCD QHY5III585C
- Larger pixels — better low-light per-pixel sensitivity
- One-shot color — simpler workflow
Advantages of QHYCCD QHY183M
- Larger sensor (15.9mm vs 12.9mm diagonal) — wider field
- Finer sampling at 2.4µm pixels
- Higher resolution (20.4MP vs 8.4MP)
- Regulated cooling for long exposures
- Mono sensor — ideal for narrowband and LRGB
Best for — QHYCCD QHY5III585C
- Longer focal lengths — tighter framing on small targets
- Well-sampled deep-sky at medium focal lengths
- One-shot color — quick results, less processing
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 QHY5III585C — typical FOV & scale
- On 250mm refractor (wide)FOV: 2.57° × 1.44°Scale: 2.39"/px
- On 800mm SCT reducerFOV: 0.80° × 0.45°Scale: 0.75"/px
- On 2000mm SCT nativeFOV: 0.32° × 0.18°Scale: 0.30"/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 QHY5III585C — recommended user
A strong fit for photographers stepping into astro 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.