Astrophotoguru · Compare

cameracomparison · 2-way

ZWO ASI385MC vs ZWO ASI2600MM Duo

ZWO ASI385MC
ZWO

ASI385MC

A strong fit for photographers stepping into astro pairing with longer focal lengths where framing is tight.

ZWO ASI2600MM Duo
ZWO

ASI2600MM Duo

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

Key differences

-70% larger sensor
-92% more resolution
Uncooled
Color vs mono

Specifications

SpecificationZWO ASI385MCZWO ASI2600MM Duo
Sensor
Typededicateddedicated
SensorSony IMX385Sony IMX571 + IMX533
Sensor techCMOSCMOS
Format1/2"APS-C
Sensor size7.3×4.1mm23.5×15.7mm
Diagonal8.4mm28.3mm
Pixel size3.75µm3.76µm
Resolution1936×10966248×4176
Megapixels2.1MP26.1MP
ColorYesNo
Cooling
CooledNoYes
Performance
Full well25000e⁻50000e⁻
Peak QE80%80%
Advantages of ZWO ASI385MC
  • One-shot color — simpler workflow
Advantages of ZWO ASI2600MM Duo
  • Larger sensor (28.3mm vs 8.4mm diagonal) — wider field
  • Higher resolution (26.1MP vs 2.12MP)
  • Regulated cooling for long exposures
  • Mono sensor — ideal for narrowband and LRGB
Best for — ZWO ASI385MC
  • Longer focal lengths — tighter framing on small targets
  • Well-sampled deep-sky at medium focal lengths
  • 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 ASI385MC — typical FOV & scale
  • On 250mm refractor (wide)
    FOV: 1.67° × 0.94°Scale: 3.09"/px
  • On 800mm SCT reducer
    FOV: 0.52° × 0.29°Scale: 0.97"/px
  • On 2000mm SCT native
    FOV: 0.21° × 0.12°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 reducer
    FOV: 1.68° × 1.12°Scale: 0.97"/px
  • On 2000mm SCT native
    FOV: 0.67° × 0.45°Scale: 0.39"/px
ZWO ASI385MC — recommended user

A strong fit for photographers stepping into astro 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.

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