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cameracomparison · 2-way

ZWO ASI4400MC Pro vs Sony A1

ZWO ASI4400MC Pro
ZWO

ASI4400MC Pro

A strong fit for dedicated deep-sky imagers pairing with wide-field refractors.

Sony A1
Sony

A1

A strong fit for photographers stepping into astro pairing with wide-field refractors.

Key differences

-12% more resolution
Cooled sensor

Specifications

SpecificationZWO ASI4400MC ProSony A1
Sensor
TypeDedicated Cooleddslr
SensorSony IMX366Sony FF stacked BSI
Sensor techCMOSCMOS
FormatFull FrameFull frame
Sensor size36.0×24.0mm35.9×24.0mm
Diagonal43.3mm43.2mm
Pixel size4.40µm4.35µm
Resolution8192×54608640×5760
Megapixels44.0MP50.1MP
ColorYesYes
Cooling
CooledYesNo
Performance
Full well74600e⁻
Peak QE80%
Advantages of ZWO ASI4400MC Pro
  • Regulated cooling for long exposures
Advantages of Sony A1
  • Higher resolution (50.1MP vs 44MP)
Best for — ZWO ASI4400MC 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 — Sony A1
  • Wide-field mosaics and full-frame telescopes
  • Fast, low-noise deep-sky at short focal lengths
  • One-shot color — quick results, less processing
ZWO ASI4400MC Pro — typical FOV & scale
  • On 250mm refractor (wide)
    FOV: 8.25° × 5.50°Scale: 3.63"/px
  • On 800mm SCT reducer
    FOV: 2.58° × 1.72°Scale: 1.13"/px
  • On 2000mm SCT native
    FOV: 1.03° × 0.69°Scale: 0.45"/px
Sony A1 — typical FOV & scale
  • On 250mm refractor (wide)
    FOV: 8.23° × 5.50°Scale: 3.59"/px
  • On 800mm SCT reducer
    FOV: 2.57° × 1.72°Scale: 1.12"/px
  • On 2000mm SCT native
    FOV: 1.03° × 0.69°Scale: 0.45"/px
ZWO ASI4400MC Pro — recommended user

A strong fit for dedicated deep-sky imagers pairing with wide-field refractors.

Sony A1 — recommended user

A strong fit for photographers stepping into astro pairing with wide-field refractors.

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