cameracomparison · 2-way
ZWO ASI294MM Pro vs Player One Xena-M
ZWO
ASI294MM Pro
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
Player One
Xena-M
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.
Key differences
189% larger sensor
Larger pixels (4.63µm vs 3.45µm)
2862% more resolution
Cooled sensor
Specifications
| Specification | ZWO ASI294MM Pro | Player One Xena-M |
|---|---|---|
| Sensor | ||
| Type | Dedicated Cooled | guide-camera |
| Sensor | Sony IMX492 | Sony IMX296 |
| Sensor tech | CMOS | CMOS |
| Format | 4/3" | 1/2.9" |
| Sensor size | 19.1×13.0mm | 6.3×4.9mm |
| Diagonal | 23.1mm | 8.0mm |
| Pixel size | 4.63µm | 3.45µm |
| Resolution | 8288×5644 | 1456×1088 |
| Megapixels | 46.8MP | 1.6MP |
| Color | No | No |
| Cooling | ||
| Cooled | Yes | No |
| Performance | ||
| Full well | 63700e⁻ | 10000e⁻ |
| Peak QE | 75% | 72% |
Advantages of ZWO ASI294MM Pro
- Larger sensor (23.1mm vs 8mm diagonal) — wider field
- Larger pixels — better low-light per-pixel sensitivity
- Higher resolution (46.8MP vs 1.58MP)
- Regulated cooling for long exposures
Advantages of Player One Xena-M
- Finer sampling at 3.45µm pixels
Best for — ZWO ASI294MM Pro
- Balanced field for most refractors
- Fast, low-noise deep-sky at short focal lengths
- Long-exposure deep-sky under any sky
- Narrowband and LRGB workflows
Best for — Player One Xena-M
- Longer focal lengths — tighter framing on small targets
- Well-sampled deep-sky at medium focal lengths
- Narrowband and LRGB workflows
ZWO ASI294MM Pro — typical FOV & scale
- On 250mm refractor (wide)FOV: 4.38° × 2.98°Scale: 3.82"/px
- On 800mm SCT reducerFOV: 1.37° × 0.93°Scale: 1.19"/px
- On 2000mm SCT nativeFOV: 0.55° × 0.37°Scale: 0.48"/px
Player One Xena-M — typical FOV & scale
- On 250mm refractor (wide)FOV: 1.44° × 1.12°Scale: 2.85"/px
- On 800mm SCT reducerFOV: 0.45° × 0.35°Scale: 0.89"/px
- On 2000mm SCT nativeFOV: 0.18° × 0.14°Scale: 0.36"/px
ZWO ASI294MM Pro — recommended user
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
Player One Xena-M — recommended user
A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.