ZWO ASI178MM Monochrome Astronomy Camera

ZWO ASI178MM Monochrome Astronomy Camera
Item # ZWO-ASI178MM
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  • The ZWO ASI178MM Monochrome Astronomy Camera is an excellent camera for both astronomy and microscopy.
  • Sony IMX178 CMOS sensor features an image array of 3096 x 2080 and a pixel size of 2.4 µm x 2.4 µm.
  • This ZWO ASI178MM Monochrome Astronomy Camera sports a back illuminated Sony IMX178 CMOS Image Sensor with 14bit ADC, extremely low read noise of 2.2 e, and superior sensitivity.
  • 1/1.8" 6.4M resolution Sony STARVIS imaging sensor with Exmor R technology.


This ZWO ASI178MM Astronomy Camera includes the back illuminated 6.4M resolution Sony IMX178 image sensor. This 1/1.8" CMOS sensor has a 3096 x 2080 pixel array and a 2.4 µm square pixel size. With a 14bit ADC, extremely low read noise of 2.2 e, and superior sensitivity combine to make the ZWO ASI178MM an excellent camera for both astronomy and microscopy.

Sony IMX178 CMOS Sensor Features...

  • The Sony IMX178 back illuminated CMOS image sensor offers high sensitivity, resolution and dynamic range.
  • The IMX185 is an "Exmor R" sensor with notably improved imaging features, including sensitivity and low read noise, by correcting the basic structure of "Exmor" adopted column parallel A/D converter to back illuminated type.
  • The IMX178 is a Sony STARVIS sensor and has a sensitivity of 2000mV+ per 1 micron square (when imaging with a 706 cd/m2 light source, f/5.6 in 1 second accumulation correspondent), and provides superior image quality in the visible and near IR light regions.
  • 14 bit output helps achieve high dynamic range which lessened quantization noise and hidden dark random noise. This facilitates clear image quality in light and dark areas, even with high contrast imaging targets.
  • Everything required to control your ZWO Astronomy Camera is readily available at the ZWO website.

ZWO ASI178MM Monochrome Astronomy Camera Specifications...

  • Sensor: 1/1.8” CMOS IMX178
  • Resolution: 6.4 Mega Pixels
  • Pixel Array: 3096 x 2080
  • Pixel Size: 2.4µm x 2.4µm
  • Sensor Size: 7.4mm x 5mm
  • Diagonal: 8.92mm
  • Exposure Range: 32 microseconds to 1,000 seconds
  • ROI: Supported
  • ST4 Guider Port: Yes
  • Focus Distance to Sensor: 12.5mm
  • Shutter Type: Rolling Shutter
  • Window: IR-Cut
  • Operating System Compatibility: Mac, Windows, Linux
  • Interface: USB 3.0/ USB 2.0
  • Bit rate: 14bit output (14bit ADC)
  • Adapter: 2"-1.25" (M42x0.75)
  • Dimensions: 62mm x 36mm
  • Weight: 4.23 oz. (without lens)
  • Working Temperature: -5°C - 45°C
  • Storage Temperature: -20°C - 60°C
  • Working Relative Humidity: 20% - 80%
  • Storage Relative Humidity: 20% - 95%

ZWO Product Number: ASI178MM
Additional Information

Additional Information

Manufacturer ZWO
Color or B&W? Color
Sensor Type CMOS
Series ZWO ASI
Pixel Size < 5 Microns
Chip Diagonal 8.1mm - 10mm
Sensor Manufacturer Sony
# of Sensors Single Sensor
Front or Back Illumination Back Illuminated
Sensor Model IMX178
Pixel Size in Micrometers 2.4 µm x 2.4 µm
Pixel Array 3096 x 2080
Sensor Diagonal 8.92mm
Minimum Exposure Time 0.000032 seconds
Maximum Exposure Time 1000 seconds
Interface USB 3.0
Operating System Compatibility Linux (3rd Party), Mac, Windows
Camera Body Dimensions 62mm x 36mm
Camera Weight 4.23 oz.
Included Items

Included Items

  • ZWO ASI178MM Monochrome Astronomy Camera
  • Sony IMX CMOS Image Sensor
  • 2.5mm All Sky Camera Lens Adapter
  • 1.25" Nosepiece
  • 1.25" Clear Window
  • 2 m USB Cable
  • 2 m ST4 Guider Cable
  • Software
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