cameracomparison · 2-way
ZWO ASI533MC Air vs ZWO ASI2600MM Duo
ZWO
ASI533MC Air
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
ZWO
ASI2600MM Duo
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
Key differences
-43% larger sensor
-66% more resolution
Color vs mono
Specifications
| Specification | ZWO ASI533MC Air | ZWO ASI2600MM Duo |
|---|---|---|
| Sensor | ||
| Type | dedicated | dedicated |
| Sensor | Sony IMX533 | Sony IMX571 + IMX533 |
| Sensor tech | CMOS | CMOS |
| Format | 1" | APS-C |
| Sensor size | 11.3×11.3mm | 23.5×15.7mm |
| Diagonal | 16.0mm | 28.3mm |
| Pixel size | 3.76µm | 3.76µm |
| Resolution | 3008×3008 | 6248×4176 |
| Megapixels | 9.0MP | 26.1MP |
| Color | Yes | No |
| Cooling | ||
| Cooled | Yes | Yes |
| Performance | ||
| Full well | 50000e⁻ | 50000e⁻ |
| Peak QE | 80% | 80% |
Advantages of ZWO ASI533MC Air
- One-shot color — simpler workflow
Advantages of ZWO ASI2600MM Duo
- Larger sensor (28.3mm vs 16mm diagonal) — wider field
- Higher resolution (26.1MP vs 9MP)
- Mono sensor — ideal for narrowband and LRGB
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
Best for — ZWO ASI2600MM Duo
- Balanced field for most refractors
- Well-sampled deep-sky at medium focal lengths
- Long-exposure deep-sky under any sky
- Narrowband and LRGB workflows
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 ASI2600MM Duo — 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
ZWO ASI533MC Air — recommended user
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
ZWO ASI2600MM Duo — recommended user
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.