cameracomparison · 2-way
Canon EOS Ra vs ZWO ASI2400MM Pro
Key differences
Finer pixels (5.36µm vs 5.94µm)
24% more resolution
Uncooled
Color vs mono
Specifications
| Specification | Canon EOS Ra | ZWO ASI2400MM Pro |
|---|---|---|
| Sensor | ||
| Type | Mirrorless | Dedicated Cooled |
| Sensor | — | Sony IMX410 |
| Sensor tech | CMOS | CMOS |
| Format | Full Frame | Full Frame |
| Sensor size | 36.0×24.0mm | 36.0×24.0mm |
| Diagonal | 43.3mm | 43.3mm |
| Pixel size | 5.36µm | 5.94µm |
| Resolution | 6720×4480 | 6072×4042 |
| Megapixels | 30.3MP | 24.5MP |
| Color | Yes | No |
| Cooling | ||
| Cooled | No | Yes |
| Performance | ||
| Full well | — | 100000e⁻ |
| Peak QE | — | 80% |
Advantages of Canon EOS Ra
- Higher resolution (30.3MP vs 24.5MP)
- One-shot color — simpler workflow
Advantages of ZWO ASI2400MM Pro
- Larger pixels — better low-light per-pixel sensitivity
- Regulated cooling for long exposures
- Mono sensor — ideal for narrowband and LRGB
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
Best for — ZWO ASI2400MM Pro
- Wide-field mosaics and full-frame telescopes
- Fast, low-noise deep-sky at short focal lengths
- Long-exposure deep-sky under any sky
- Narrowband and LRGB workflows
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
ZWO ASI2400MM Pro — typical FOV & scale
- On 250mm refractor (wide)FOV: 8.25° × 5.50°Scale: 4.90"/px
- On 800mm SCT reducerFOV: 2.58° × 1.72°Scale: 1.53"/px
- On 2000mm SCT nativeFOV: 1.03° × 0.69°Scale: 0.61"/px
Canon EOS Ra — recommended user
A strong fit for photographers stepping into astro pairing with wide-field refractors.
ZWO ASI2400MM Pro — recommended user
A strong fit for dedicated deep-sky imagers pairing with wide-field refractors.