ZWO ASI 185MC USB 3.0 Colour Camera

ZWO ASI 185MC USB 3.0 Colour Camera
ZWO ASI 185MC USB 3.0 Colour CameraZWO ASI 185MC USB 3.0 Colour CameraZWO ASI 185MC USB 3.0 Colour Camera
ZWO ASI 185MC USB 3.0 Colour CameraZWO ASI 185MC USB 3.0 Colour Camera


Incoming - Shipped 2-4 working days.

Model:  zwo_asi185mc
Part Number:  ASI185MC
Brand:  ZWO



  • ASI185MC Camera
  • 170° Lens
  • M42-1.25" Nosepiece Adapter
  • 1.25" Cap
  • 2-metre USB 3.0 Cable
  • 2-metre ST-4 Cable
  • Driver CD

The ZWO ASI185MC features the Sony IMX185 1/1.9″, 2.3Mp sensor with SONY Exmor and NIR Technology. 

Extremely low read noise (3.3 e) and high sensitivity, especially in IR range.

Has a larger sensor size than the ASI224MC with the same pixel size.

Supplied with a 2.5mm accessory 'all sky' lens which provides a nearly 170° view of the sky! 

Anti-reflective (AR) optical window.

Camera Field of View Simulator

ASI185MC QE Curve

Relative QE Curve, we estimate the Peak Value to be between 75%-80%

Super Low Read Noise less than 1e which can compare with sCMOS or EMCCD sensors

Mechanical Drawing

Product Specifications

Sensor 1/1.9” CMOS IMX185
Resolution 2.3 Mega Pixels 1944*1224
Pixel Size 3.75µm
Sensor Size 7.3mm*4.6mm
Diagonal 8.58mm
Exposure Range 32µs-1000s
ROI Supported
ST4 Guider Port Yes
Focus Distance to Sensor 12.5mm
Shutter Type Rolling Shutter
Protect window AR coated window
Operating System Compatibility Mac, Windows, Linux
Interface USB3.0/USB2.0
Bit rate 12bit output(12bit ADC)
Adaptor 2″ / 1.25″ / M42X0.75
Dimension φ62mm X 36mm
Weight 120g or 4.2 ounces (without lens)
Working Temperature -5°C—45°C
Storage Temperature -20°C—60°C
Working Relative Humidity 20%—80%
Storage Relative Humidity 20%—95%/td>


Supported Resolutions:

10bit ADC/12bit ADC
1944×1224 108 / 54
1920*1080 120 / 60
1024×768 170.5 / 85.2
800×800 163.8 / 81.9
640×480 268.4 / 134.2
320×240 515.3 / 257.6

Additional resolutions can be user defined.

The following manuals and downloads are available for this product:


ZWO ASI Camera User Manual v1.3 (PDF)

ZWO ASI USB2.0 Camera FAQ v1.0 (PDF)

ZWO ASI USB2.0 Camera Troubleshooting v1.0 (PDF)


ZWO Software and Drivers


ZWO ASI 185MC USB 3.0 Colour Camera Questions & Answers

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Customer Services Report
October 2017 / View Older
Positive Feedback read all 4689 comments
Enquiries Responded to within 6 working hours
Orders Completed within 2 working days