cameracomparison · 2-way
Player One Mars-C II vs Player One Neptune-C II

Player One
Mars-C II
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.

Player One
Neptune-C II
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.
Key differences
-27% larger sensor
-51% more resolution
Specifications
| Specification | Player One Mars-C II | Player One Neptune-C II |
|---|---|---|
| Sensor | ||
| Type | planetary | planetary |
| Sensor | Sony IMX662 | Sony IMX464 |
| Sensor tech | CMOS | CMOS |
| Format | 1/2.8" | 1/1.8" |
| Sensor size | 5.6×3.2mm | 7.7×4.3mm |
| Diagonal | 6.5mm | 8.9mm |
| Pixel size | 2.90µm | 2.90µm |
| Resolution | 1920×1080 | 2712×1538 |
| Megapixels | 2.1MP | 4.2MP |
| Color | Yes | Yes |
| Cooling | ||
| Cooled | No | No |
| Performance | ||
| Full well | 38000e⁻ | 12000e⁻ |
| Peak QE | 91% | 84% |
Advantages of Player One Mars-C II
Closely matched on the compared specs.
Advantages of Player One Neptune-C II
- Larger sensor (8.86mm vs 6.46mm diagonal) — wider field
- Higher resolution (4.2MP vs 2.07MP)
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 Neptune-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
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 Neptune-C II — typical FOV & scale
- On 250mm refractor (wide)FOV: 1.77° × 1.00°Scale: 2.39"/px
- On 800mm SCT reducerFOV: 0.55° × 0.31°Scale: 0.75"/px
- On 2000mm SCT nativeFOV: 0.22° × 0.12°Scale: 0.30"/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 Neptune-C II — recommended user
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.