cameracomparison · 2-way
ZWO ASI533MM Pro vs ZWO ASI1600MM Pro
ZWO
ASI533MM Pro
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
ZWO
ASI1600MM Pro
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.
Key differences
-28% larger sensor
-45% more resolution
Specifications
| Specification | ZWO ASI533MM Pro | ZWO ASI1600MM Pro |
|---|---|---|
| Sensor | ||
| Type | Dedicated Cooled | Dedicated Cooled |
| Sensor | Sony IMX533 | Panasonic MN34230 |
| Sensor tech | CMOS | CMOS |
| Format | 1-inch square | 4/3" |
| Sensor size | 11.3×11.3mm | 17.7×13.4mm |
| Diagonal | 16.0mm | 22.2mm |
| Pixel size | 3.76µm | 3.80µm |
| Resolution | 3008×3008 | 4656×3520 |
| Megapixels | 9.0MP | 16.4MP |
| Color | No | No |
| Cooling | ||
| Cooled | Yes | Yes |
| Performance | ||
| Full well | 50000e⁻ | 20000e⁻ |
| Peak QE | 91% | 60% |
Advantages of ZWO ASI533MM Pro
Closely matched on the compared specs.
Advantages of ZWO ASI1600MM Pro
- Larger sensor (22.2mm vs 16mm diagonal) — wider field
- Higher resolution (16.4MP vs 9MP)
Best for — ZWO ASI533MM Pro
- Longer focal lengths — tighter framing on small targets
- Well-sampled deep-sky at medium focal lengths
- Long-exposure deep-sky under any sky
- Narrowband and LRGB workflows
Best for — ZWO ASI1600MM Pro
- 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 ASI533MM 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
ZWO ASI1600MM Pro — typical FOV & scale
- On 250mm refractor (wide)FOV: 4.06° × 3.07°Scale: 3.14"/px
- On 800mm SCT reducerFOV: 1.27° × 0.96°Scale: 0.98"/px
- On 2000mm SCT nativeFOV: 0.51° × 0.38°Scale: 0.39"/px
ZWO ASI533MM Pro — recommended user
A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.
ZWO ASI1600MM Pro — recommended user
A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.