cameracomparison · 2-way
Player One Poseidon-M Pro vs Player One Ceres-C
Player One
Poseidon-M Pro
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
Player One
Ceres-C
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.
Key differences
365% larger sensor
1955% more resolution
Cooled sensor
Mono vs color
Specifications
| Specification | Player One Poseidon-M Pro | Player One Ceres-C |
|---|---|---|
| Sensor | ||
| Type | dedicated | guide-camera |
| Sensor | Sony IMX571 | Sony IMX224 |
| Sensor tech | CMOS | CMOS |
| Format | APS-C | 1/3" |
| Sensor size | 23.5×15.7mm | 4.9×3.7mm |
| Diagonal | 28.3mm | 6.1mm |
| Pixel size | 3.76µm | 3.75µm |
| Resolution | 6248×4176 | 1304×976 |
| Megapixels | 26.1MP | 1.3MP |
| Color | No | Yes |
| Cooling | ||
| Cooled | Yes | No |
| Performance | ||
| Full well | 50000e⁻ | 19000e⁻ |
| Peak QE | 80% | 75% |
Advantages of Player One Poseidon-M Pro
- Larger sensor (28.3mm vs 6.09mm diagonal) — wider field
- Higher resolution (26.1MP vs 1.27MP)
- Regulated cooling for long exposures
- Mono sensor — ideal for narrowband and LRGB
Advantages of Player One Ceres-C
- One-shot color — simpler workflow
Best for — Player One Poseidon-M Pro
- Balanced field for most refractors
- Well-sampled deep-sky at medium focal lengths
- Long-exposure deep-sky under any sky
- Narrowband and LRGB workflows
Best for — Player One Ceres-C
- Longer focal lengths — tighter framing on small targets
- Well-sampled deep-sky at medium focal lengths
- One-shot color — quick results, less processing
Player One Poseidon-M Pro — typical FOV & scale
- On 250mm refractor (wide)FOV: 5.39° × 3.60°Scale: 3.10"/px
- On 800mm SCT reducerFOV: 1.68° × 1.12°Scale: 0.97"/px
- On 2000mm SCT nativeFOV: 0.67° × 0.45°Scale: 0.39"/px
Player One Ceres-C — typical FOV & scale
- On 250mm refractor (wide)FOV: 1.12° × 0.85°Scale: 3.09"/px
- On 800mm SCT reducerFOV: 0.35° × 0.27°Scale: 0.97"/px
- On 2000mm SCT nativeFOV: 0.14° × 0.11°Scale: 0.39"/px
Player One Poseidon-M Pro — recommended user
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
Player One Ceres-C — recommended user
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.