cameracomparison · 2-way
ZWO ASI2400MC Pro vs ZWO ASI533MC Air


ZWO
ASI533MC Air
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
Key differences
171% larger sensor
Larger pixels (5.94µm vs 3.76µm)
172% more resolution
Specifications
| Specification | ZWO ASI2400MC Pro | ZWO ASI533MC Air |
|---|---|---|
| Sensor | ||
| Type | Dedicated Cooled | dedicated |
| Sensor | Sony IMX410 | Sony IMX533 |
| Sensor tech | CMOS | CMOS |
| Format | Full Frame | 1" |
| Sensor size | 36.0×24.0mm | 11.3×11.3mm |
| Diagonal | 43.3mm | 16.0mm |
| Pixel size | 5.94µm | 3.76µm |
| Resolution | 6072×4042 | 3008×3008 |
| Megapixels | 24.5MP | 9.0MP |
| Color | Yes | Yes |
| Cooling | ||
| Cooled | Yes | Yes |
| Performance | ||
| Full well | 100000e⁻ | 50000e⁻ |
| Peak QE | 80% | 80% |
Advantages of ZWO ASI2400MC Pro
- Larger sensor (43.3mm vs 16mm diagonal) — wider field
- Larger pixels — better low-light per-pixel sensitivity
- Higher resolution (24.5MP vs 9MP)
Advantages of ZWO ASI533MC Air
- Finer sampling at 3.76µm pixels
Best for — ZWO ASI2400MC Pro
- Wide-field mosaics and full-frame telescopes
- Fast, low-noise deep-sky at short focal lengths
- Long-exposure deep-sky under any sky
- One-shot color — quick results, less processing
Best for — ZWO ASI533MC Air
- 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
ZWO ASI2400MC Pro — typical FOV & scale
- On 250mm refractor (wide)FOV: 8.25° × 5.50°Scale: 4.90"/px
- On 800mm SCT reducerFOV: 2.58° × 1.72°Scale: 1.53"/px
- On 2000mm SCT nativeFOV: 1.03° × 0.69°Scale: 0.61"/px
ZWO ASI533MC Air — 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
ZWO ASI2400MC Pro — recommended user
A strong fit for dedicated deep-sky imagers pairing with wide-field refractors.
ZWO ASI533MC Air — recommended user
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.