camera
Canon
EOS Ra Mark II
Full frame · 8192×5464 · Color
Astro-modified full-frame mirrorless.
Best for
- Wide-field mosaics and full-frame telescopes
- Fast, low-noise deep-sky at short focal lengths
- One-shot color — quick results, less processing
Specifications
| Sensor | |
| Type | dslr |
| Sensor | Canon FF astro |
| Sensor tech | CMOS |
| Format | Full frame |
| Sensor size | 36.0×24.0mm |
| Diagonal | 43.3mm |
| Pixel size | 4.40µm |
| Resolution | 8192×5464 |
| Megapixels | 44.8MP |
| Color | Yes |
| Cooling & performance | |
| Cooled | No |
| Full well | — |
| Peak QE | — |
Typical FOV & image scale
On 250mm refractor (wide)
FOV 8.25° × 5.50°
Scale 3.63″/px
On 800mm SCT reducer
FOV 2.58° × 1.72°
Scale 1.13″/px
On 2000mm SCT native
FOV 1.03° × 0.69°
Scale 0.45″/px
Typical targets
- Messier M42 — Orion NebulaEmission Nebula · 85′
- Messier M8 — Lagoon NebulaEmission Nebula · 90′
- Messier M24 — Sagittarius Star CloudOpen Cluster · 90′
- IC IC 5070 — Pelican NebulaEmission Nebula · 80′
- NGC NGC 2237 — Rosette NebulaEmission Nebula · 80′
- Messier M7 — Ptolemy's ClusterOpen Cluster · 80′
Recommended telescopes
600mm f/5.6 · 108mm aperture
Compare pairing600mm f/7.0 · 85mm aperture
Compare pairing600mm f/5.6 · 107mm aperture
Compare pairing