cameracomparison · 2-way
QHYCCD QHY5III715C vs QHYCCD QHY183M
QHYCCD
QHY5III715C
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
-59% larger sensor
Finer pixels (1.45µm vs 2.4µm)
-59% more resolution
Uncooled
Color vs mono
Specifications
| Specification | QHYCCD QHY5III715C | QHYCCD QHY183M |
|---|---|---|
| Sensor | ||
| Type | guide-camera | dedicated |
| Sensor | Sony IMX715 | Sony IMX183 |
| Sensor tech | CMOS | CMOS |
| Format | 1/2.8" | 1" |
| Sensor size | 5.6×3.2mm | 13.2×8.8mm |
| Diagonal | 6.5mm | 15.9mm |
| Pixel size | 1.45µm | 2.40µm |
| Resolution | 3864×2180 | 5544×3684 |
| Megapixels | 8.4MP | 20.4MP |
| Color | Yes | No |
| Cooling | ||
| Cooled | No | Yes |
| Performance | ||
| Full well | 7900e⁻ | 15000e⁻ |
| Peak QE | 82% | 84% |
Advantages of QHYCCD QHY5III715C
- Finer sampling at 1.45µm pixels
- One-shot color — simpler workflow
Advantages of QHYCCD QHY183M
- Larger sensor (15.9mm vs 6.46mm diagonal) — wider field
- Larger pixels — better low-light per-pixel sensitivity
- Higher resolution (20.4MP vs 8.42MP)
- Regulated cooling for long exposures
- Mono sensor — ideal for narrowband and LRGB
Best for — QHYCCD QHY5III715C
- Longer focal lengths — tighter framing on small targets
- Planetary and lunar high-resolution imaging
- 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 QHY5III715C — typical FOV & scale
- On 250mm refractor (wide)FOV: 1.28° × 0.73°Scale: 1.20"/px
- On 800mm SCT reducerFOV: 0.40° × 0.23°Scale: 0.37"/px
- On 2000mm SCT nativeFOV: 0.16° × 0.09°Scale: 0.15"/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 QHY5III715C — 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.