cameracomparison · 2-way
Player One Poseidon-M Pro vs Player One Ares-C Pro
Player One
Poseidon-M Pro
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
Player One
Ares-C Pro
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
Key differences
77% larger sensor
190% more resolution
Mono vs color
Specifications
| Specification | Player One Poseidon-M Pro | Player One Ares-C Pro |
|---|---|---|
| Sensor | ||
| Type | dedicated | dedicated |
| Sensor | Sony IMX571 | Sony IMX533 |
| Sensor tech | CMOS | CMOS |
| Format | APS-C | 1" |
| Sensor size | 23.5×15.7mm | 11.3×11.3mm |
| Diagonal | 28.3mm | 16.0mm |
| Pixel size | 3.76µm | 3.76µm |
| Resolution | 6248×4176 | 3008×3008 |
| Megapixels | 26.1MP | 9.0MP |
| Color | No | Yes |
| Cooling | ||
| Cooled | Yes | Yes |
| Performance | ||
| Full well | 50000e⁻ | 50000e⁻ |
| Peak QE | 80% | 80% |
Advantages of Player One Poseidon-M Pro
- Larger sensor (28.3mm vs 16mm diagonal) — wider field
- Higher resolution (26.1MP vs 9MP)
- Mono sensor — ideal for narrowband and LRGB
Advantages of Player One Ares-C Pro
- 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 Ares-C Pro
- Longer focal lengths — tighter framing on small targets
- Well-sampled deep-sky at medium focal lengths
- Long-exposure deep-sky under any sky
- 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 Ares-C Pro — typical FOV & scale
- On 250mm refractor (wide)FOV: 2.59° × 2.59°Scale: 3.10"/px
- On 800mm SCT reducerFOV: 0.81° × 0.81°Scale: 0.97"/px
- On 2000mm SCT nativeFOV: 0.32° × 0.32°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 Ares-C Pro — recommended user
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.