cameracomparison · 2-way
Player One Mars-C II vs Player One Ares-C Pro
Player One
Mars-C II
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.
Player One
Ares-C Pro
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
Key differences
-60% larger sensor
Finer pixels (2.9µm vs 3.76µm)
-77% more resolution
Uncooled
Specifications
| Specification | Player One Mars-C II | Player One Ares-C Pro |
|---|---|---|
| Sensor | ||
| Type | planetary | dedicated |
| Sensor | Sony IMX662 | Sony IMX533 |
| Sensor tech | CMOS | CMOS |
| Format | 1/2.8" | 1" |
| Sensor size | 5.6×3.2mm | 11.3×11.3mm |
| Diagonal | 6.5mm | 16.0mm |
| Pixel size | 2.90µm | 3.76µm |
| Resolution | 1920×1080 | 3008×3008 |
| Megapixels | 2.1MP | 9.0MP |
| Color | Yes | Yes |
| Cooling | ||
| Cooled | No | Yes |
| Performance | ||
| Full well | 38000e⁻ | 50000e⁻ |
| Peak QE | 91% | 80% |
Advantages of Player One Mars-C II
- Finer sampling at 2.9µm pixels
Advantages of Player One Ares-C Pro
- Larger sensor (16mm vs 6.46mm diagonal) — wider field
- Larger pixels — better low-light per-pixel sensitivity
- Higher resolution (9MP vs 2.07MP)
- Regulated cooling for long exposures
Best for — Player One Mars-C II
- Longer focal lengths — tighter framing on small targets
- Well-sampled deep-sky at medium focal lengths
- One-shot color — quick results, less processing
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 Mars-C II — typical FOV & scale
- On 250mm refractor (wide)FOV: 1.28° × 0.73°Scale: 2.39"/px
- On 800mm SCT reducerFOV: 0.40° × 0.23°Scale: 0.75"/px
- On 2000mm SCT nativeFOV: 0.16° × 0.09°Scale: 0.30"/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 Mars-C II — recommended user
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.
Player One Ares-C Pro — recommended user
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.