cameracomparison · 2-way
Sony A7 IV vs QHYCCD QHY268C
QHYCCD
QHY268C
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
Key differences
52% larger sensor
Larger pixels (5.13µm vs 3.76µm)
27% more resolution
Uncooled
Specifications
| Specification | Sony A7 IV | QHYCCD QHY268C |
|---|---|---|
| Sensor | ||
| Type | Mirrorless | Dedicated Cooled |
| Sensor | — | Sony IMX571 |
| Sensor tech | CMOS | CMOS |
| Format | Full Frame | APS-C |
| Sensor size | 35.9×23.9mm | 23.5×15.7mm |
| Diagonal | 43.1mm | 28.3mm |
| Pixel size | 5.13µm | 3.76µm |
| Resolution | 7008×4672 | 6280×4210 |
| Megapixels | 33.0MP | 26.0MP |
| Color | Yes | Yes |
| Cooling | ||
| Cooled | No | Yes |
| Performance | ||
| Full well | — | 51000e⁻ |
| Peak QE | — | 80% |
Advantages of Sony A7 IV
- Larger sensor (43.1mm vs 28.3mm diagonal) — wider field
- Larger pixels — better low-light per-pixel sensitivity
- Higher resolution (33MP vs 26MP)
Advantages of QHYCCD QHY268C
- Finer sampling at 3.76µm pixels
- Regulated cooling for long exposures
Best for — Sony A7 IV
- Wide-field mosaics and full-frame telescopes
- Fast, low-noise deep-sky at short focal lengths
- One-shot color — quick results, less processing
Best for — QHYCCD QHY268C
- Balanced field for most refractors
- Well-sampled deep-sky at medium focal lengths
- Long-exposure deep-sky under any sky
- One-shot color — quick results, less processing
Sony A7 IV — typical FOV & scale
- On 250mm refractor (wide)FOV: 8.23° × 5.48°Scale: 4.23"/px
- On 800mm SCT reducerFOV: 2.57° × 1.71°Scale: 1.32"/px
- On 2000mm SCT nativeFOV: 1.03° × 0.68°Scale: 0.53"/px
QHYCCD QHY268C — typical FOV & scale
- On 250mm refractor (wide)FOV: 5.39° × 3.60°Scale: 3.10"/px
- On 800mm SCT reducerFOV: 1.68° × 1.12°Scale: 0.97"/px
- On 2000mm SCT nativeFOV: 0.67° × 0.45°Scale: 0.39"/px
Sony A7 IV — recommended user
A strong fit for photographers stepping into astro pairing with wide-field refractors.
QHYCCD QHY268C — recommended user
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.