cameracomparison · 2-way
Nikon D850 vs Sony A1


Key differences
-9% more resolution
Specifications
| Specification | Nikon D850 | Sony A1 |
|---|---|---|
| Sensor | ||
| Type | dslr | dslr |
| Sensor | Nikon FX BSI | Sony FF stacked BSI |
| Sensor tech | CMOS | CMOS |
| Format | Full frame | Full frame |
| Sensor size | 35.9×23.9mm | 35.9×24.0mm |
| Diagonal | 43.1mm | 43.2mm |
| Pixel size | 4.35µm | 4.35µm |
| Resolution | 8256×5504 | 8640×5760 |
| Megapixels | 45.7MP | 50.1MP |
| Color | Yes | Yes |
| Cooling | ||
| Cooled | No | No |
| Performance | ||
| Full well | — | — |
| Peak QE | — | — |
Advantages of Nikon D850
Closely matched on the compared specs.
Advantages of Sony A1
Closely matched on the compared specs.
Best for — Nikon D850
- 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 — Sony A1
- Wide-field mosaics and full-frame telescopes
- Fast, low-noise deep-sky at short focal lengths
- One-shot color — quick results, less processing
Nikon D850 — typical FOV & scale
- On 250mm refractor (wide)FOV: 8.23° × 5.48°Scale: 3.59"/px
- On 800mm SCT reducerFOV: 2.57° × 1.71°Scale: 1.12"/px
- On 2000mm SCT nativeFOV: 1.03° × 0.68°Scale: 0.45"/px
Sony A1 — typical FOV & scale
- On 250mm refractor (wide)FOV: 8.23° × 5.50°Scale: 3.59"/px
- On 800mm SCT reducerFOV: 2.57° × 1.72°Scale: 1.12"/px
- On 2000mm SCT nativeFOV: 1.03° × 0.69°Scale: 0.45"/px
Nikon D850 — recommended user
A strong fit for photographers stepping into astro pairing with wide-field refractors.
Sony A1 — recommended user
A strong fit for photographers stepping into astro pairing with wide-field refractors.