ZWO ASI185MC Color Astronomy Camera - Cooled-Discontinued

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ZWO ASI185MC Color Astronomy Camera - Cooled-Discontinued

Housing a Sony IMX185 sensor, with 2.3M 3.5um pixels in a 1944 x 1224 format, the ZWO imaging camera is a beautiful piece of work. The IMX185 sensor housed inside this device has an extremely low read noise of 3.3e, and is extremely sensitive- especially in the near infrared spectrum. Compared to other models such as the ASI224MC, the ZWO ASI185MC color camera has a larger sensor with the same size pixels, and a slight but noticeable increase in read noise over the other model. Superb at any astronomical imaging application imaginable, the ZWO ASI185MC body has a high speed USB 3.0 port, an ST4 guide port, a standard 2" interface with M42 x 0.75 internal threads, a 1/4" tripod thread mount on the back, an ST4 guide port, a standard 2" interface with M42 x 0.75 internal threads, a 1/4" tripod thread mount on the back, and an IR-cut window. The included software is compatible with Mac, Windows, and Linux operating systems. The focus distance to the sensor is 12.5mm.

This cooled version incorporates active TEC temperature control for the ability to cool the sensor to 35C to 40C degrees below ambient. This enhanced cooling control offers the best image stability for longer imaging sessions.

Sony IMX185 CMOS Sensor Features

  • Provides exceptionally low read noise (3.3 e).
  • The IMX185 has an image array of 1944 x 1224 and a pixel size of 3.75 microns square.
  • Supports 1/2 full HD optical size.
  • 1120 mV pixel sensitivity.
  • Sensitivity has been enhanced in the near IR region by up to 1.8X that of a similar sensor.
  • The Sony IMX185 is an Exmor high performance CMOS sensor with quick processing, low noise, and low power diffusion by utilizing column parallel A/D conversion.
  • Everything required to control your ZWO Astronomy Camera is readily available at the ZWO website.

ZWO ASI185MC Color CMOS Astronomy Camera Specifications

  • Sensor: Sony 1/1.9" IMX185 Color CMOS
  • Resolution: 2.3M
  • Image Array: 1944 x 1224
  • Pixel Size: 3.75um
  • Max Frame Rate at Full Resolution: 1080 FPS
  • Max Frame Rate at 640 x 480: 268.4 FPS
  • Window: IR-Cut
  • Guide Port: ST4
  • Shutter: Global
  • Exposure Range: 32us - 1000s
  • Read Noise: 3.3e
  • Interface: USB3.0/USB2.0
  • Bit Rate: 12bit output (12 bit ADC)
  • Adapter: 2" to 1.25"/ M42 x 0.75
  • Dimensions: 62 mm Diameter by 36 mm
  • Weight: 120g
  • Working Temperature: -5 C degrees to -45 C degrees
  • Working Relative Humidity: 20% to 80%

ZWO Product Number: ASI185MC-COOL


Camera Cooling TypeThermoElectric Cooling (TEC)
Camera SeriesZWO ASI
Dimensions62mm x 36mm
Free ShippingYes
InterfaceUSB 3.0
Maximum Exposure Time1000 seconds
Minimum Exposure Time0.000032 seconds
Operating System CompatibilityLinux (3rd Party) & Mac & Windows
Pixel Array1944 x 1244
Pixel Size3.75 microns x 3.75 microns
Sensor DesignCMOS
Sensor Diagonal8.58mm
Sensor ManufacturerSony
Sensor TypeColor
Shutter TypeRolling Electronic
Single or Dual SensorSingle


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