cameracomparison · 2-way
Nikon D810A vs Canon EOS Ra
Key differences
Finer pixels (4.88µm vs 5.36µm)
20% more resolution
Specifications
| Specification | Nikon D810A | Canon EOS Ra |
|---|---|---|
| Sensor | ||
| Type | dslr | Mirrorless |
| Sensor | Nikon FX astro | — |
| Sensor tech | CMOS | CMOS |
| Format | Full frame | Full Frame |
| Sensor size | 35.9×24.0mm | 36.0×24.0mm |
| Diagonal | 43.2mm | 43.3mm |
| Pixel size | 4.88µm | 5.36µm |
| Resolution | 7360×4912 | 6720×4480 |
| Megapixels | 36.3MP | 30.3MP |
| Color | Yes | Yes |
| Cooling | ||
| Cooled | No | No |
| Performance | ||
| Full well | — | — |
| Peak QE | — | — |
Advantages of Nikon D810A
- Higher resolution (36.3MP vs 30.3MP)
Advantages of Canon EOS Ra
Closely matched on the compared specs.
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 — Canon EOS Ra
- Wide-field mosaics and full-frame telescopes
- 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
Canon EOS Ra — typical FOV & scale
- On 250mm refractor (wide)FOV: 8.25° × 5.50°Scale: 4.42"/px
- On 800mm SCT reducerFOV: 2.58° × 1.72°Scale: 1.38"/px
- On 2000mm SCT nativeFOV: 1.03° × 0.69°Scale: 0.55"/px
Nikon D810A — recommended user
A strong fit for photographers stepping into astro pairing with wide-field refractors.
Canon EOS Ra — recommended user
A strong fit for photographers stepping into astro pairing with wide-field refractors.