Astrophotoguru · Compare

cameracomparison · 2-way

ZWO ASI2600MC Pro vs ZWO ASI585MC Pro

ZWO ASI2600MC Pro
ZWO

ASI2600MC Pro

A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.

ZWO ASI585MC Pro
ZWO

ASI585MC Pro

A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.

Key differences

120% larger sensor
Larger pixels (3.76µm vs 2.9µm)
214% more resolution

Specifications

SpecificationZWO ASI2600MC ProZWO ASI585MC Pro
Sensor
TypeDedicated CooledDedicated Cooled
SensorSony IMX571Sony IMX585
Sensor techCMOSCMOS
FormatAPS-C1/1.2-inch
Sensor size23.5×15.7mm11.2×6.3mm
Diagonal28.3mm12.8mm
Pixel size3.76µm2.90µm
Resolution6248×41763840×2160
Megapixels26.1MP8.3MP
ColorYesYes
Cooling
CooledYesYes
Performance
Full well50000e⁻40000e⁻
Peak QE80%91%
Advantages of ZWO ASI2600MC Pro
  • Larger sensor (28.3mm vs 12.85mm diagonal) — wider field
  • Larger pixels — better low-light per-pixel sensitivity
  • Higher resolution (26.1MP vs 8.3MP)
Advantages of ZWO ASI585MC Pro
  • Finer sampling at 2.9µm pixels
Best for — ZWO ASI2600MC Pro
  • Balanced field for most refractors
  • 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 ASI585MC Pro
  • 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 ASI2600MC Pro — typical FOV & scale
  • On 250mm refractor (wide)
    FOV: 5.39° × 3.60°Scale: 3.10"/px
  • On 800mm SCT reducer
    FOV: 1.68° × 1.12°Scale: 0.97"/px
  • On 2000mm SCT native
    FOV: 0.67° × 0.45°Scale: 0.39"/px
ZWO ASI585MC Pro — typical FOV & scale
  • On 250mm refractor (wide)
    FOV: 2.57° × 1.44°Scale: 2.39"/px
  • On 800mm SCT reducer
    FOV: 0.80° × 0.45°Scale: 0.75"/px
  • On 2000mm SCT native
    FOV: 0.32° × 0.18°Scale: 0.30"/px
ZWO ASI2600MC Pro — recommended user

A strong fit for dedicated deep-sky imagers pairing with a broad range of focal lengths.

ZWO ASI585MC Pro — recommended user

A strong fit for dedicated deep-sky imagers pairing with longer focal lengths where framing is tight.

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