cameracomparison · 2-way
Nikon D810A vs Nikon Z50II


Nikon
Z50II
A strong fit for photographers stepping into astro pairing with a broad range of focal lengths.
Key differences
53% larger sensor
Larger pixels (4.88µm vs 4.15µm)
75% more resolution
Specifications
| Specification | Nikon D810A | Nikon Z50II |
|---|---|---|
| Sensor | ||
| Type | dslr | dslr |
| Sensor | Nikon FX astro | Nikon DX |
| Sensor tech | CMOS | CMOS |
| Format | Full frame | APS-C |
| Sensor size | 35.9×24.0mm | 23.5×15.7mm |
| Diagonal | 43.2mm | 28.3mm |
| Pixel size | 4.88µm | 4.15µm |
| Resolution | 7360×4912 | 5568×3712 |
| Megapixels | 36.3MP | 20.7MP |
| Color | Yes | Yes |
| Cooling | ||
| Cooled | No | No |
| Performance | ||
| Full well | — | — |
| Peak QE | — | — |
Advantages of Nikon D810A
- Larger sensor (43.2mm vs 28.3mm diagonal) — wider field
- Larger pixels — better low-light per-pixel sensitivity
- Higher resolution (36.3MP vs 20.7MP)
Advantages of Nikon Z50II
- Finer sampling at 4.15µm pixels
Best for — Nikon D810A
- 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 — Nikon Z50II
- Balanced field for most refractors
- Fast, low-noise deep-sky at short focal lengths
- One-shot color — quick results, less processing
Nikon D810A — typical FOV & scale
- On 250mm refractor (wide)FOV: 8.23° × 5.50°Scale: 4.03"/px
- On 800mm SCT reducerFOV: 2.57° × 1.72°Scale: 1.26"/px
- On 2000mm SCT nativeFOV: 1.03° × 0.69°Scale: 0.50"/px
Nikon Z50II — typical FOV & scale
- On 250mm refractor (wide)FOV: 5.39° × 3.60°Scale: 3.42"/px
- On 800mm SCT reducerFOV: 1.68° × 1.12°Scale: 1.07"/px
- On 2000mm SCT nativeFOV: 0.67° × 0.45°Scale: 0.43"/px
Nikon D810A — recommended user
A strong fit for photographers stepping into astro pairing with wide-field refractors.
Nikon Z50II — recommended user
A strong fit for photographers stepping into astro pairing with a broad range of focal lengths.