ASI 185MC-Cool (color)


Out of stock


Product Description

The cooled version of the ZWO ASI185MC camera allows the sensor to be cooled to 35C to 40C degrees below ambient.

Here is a 60s long exposure dark file of this Camera

ASI185MC has a 1/1.9″ and 2.3M pixels sensor IMX185 with SONY Exmor and  NIR Technology.

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


Extremely low read noise (3.3 e) and high sensitivity especially in IR range.
ASI185MC has the same pixel size of ASI224MC but larger chip size.

185 Gain RN DR FW vs gain

This camera can run without external power supply in normal mode

we recommends 12V at 2.5A or more DC adapter for cooler power supply

What`s in the box?


1–ZWO ASI185MC-COOL Camera Body

2–M42-1.25″ T-Mount

3–1.25″ Cover

4–2 m long USB 3.0 cable

5–USB 2.0 short cable x2

They are used to connect your EFW or guider camera through the USB2.0 hub.

6–Backup desiccant tablets packet

Only when you find fogging inside camera chamber, you need to replace them.

7–Driver & Extra Software CD (Mac, PC&Linux Compatible)

Notice:Cooled cameras need a 12v power adapter, If you don’t have one, please click this link to buy a 12V power adapter. There are 4 different standard for different contury, please choose it carefully.

New accessory

And the anti-dew heater  is on sale that could solve the dew problem on the front window  for  ASI cooled cameras.

You can buy the heater from the link:


ASI Cooled Cameras 2 ASI Cooled Cameras 3 ASI Cooled Cameras 4 ASI Cooled Cameras 5 ASI Cooled Cameras 6 ASI Cooled Cameras 7 ASI Cooled Cameras 8 ASI Cooled Cameras 9 ASI Cooled Cameras 10 ASI Cooled Cameras 11 ASI Cooled Cameras 12 ASI Cooled Cameras 13 ASI Cooled Cameras 14 ASI Cooled Cameras 15 ASI Cooled Cameras 16

Camera technical details

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
Dimensions: 78 mm Diameter
Weight: 410g
Back Focus Distance: 17.5mm
Cooling: Regulated Two Stage TEC
Delta T: 35-40 degrees C
Cooler Power Supply Required: 12V at 2A Max

Supported resolution

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
More resolutions can be defined by user


Before first usage of this product read manuals and install correct drivers and software.

To support our newest cameras: ASI071 and ASI1600

follow softwares newest version required

SharpCap V2.8.2325 and up

Firecapture V2.5.03 and up





  • Fast shipping: we will choose DHL, UPS, TNT, EMS etc to deliver it. Usually you will get your package in one week. We provide free fast shipping for order above $300 or charge extra $20 for order below $300.
  • Free air mail shipping: we will ship via DGM or China Post Registered Air Mail. It usually costs 2-3 weeks to reach US or Europe and costs 3-4 weeks to reach far places.
  • Customers from Brazil and Chile should leave a message to provide your CPF or CNPJ as your custom needs it.
  • Customers from Russia need to provide the name of your company.

Tracking site:


China air mail:


  • The price list on our website is USD without tax.
  • Please note that buyers areliable to pay tax involved, such as Import tax, VAT , customs handling fee, etc. The additional fees may be collected at time of delivery by courier.
  • For best local service we advise customers buy our cameras form local dealers.

Warranty and Return Policy

  • We provide 2-year warranty for our products, we will offer the repair service for free or replace for free if the camera doesn’t work within warranty period. After the warranty period, we will continue to provide repair support and service on a charged basis.
  • This warranty does not apply to damage that occurred as a result of abuse or misuse, or caused by a fall or any other transportation failures after purchase.
  • Customer must pay for shipping when shipping the camera back for repair or replacement
  • If you get a faulty camera, please contact us as soon as possible though email: Please describe the problem in detail and we will do our best to help you solve the problem. Most instances perceived problems are simply bad driver install or software configuration.
  • For customers who bought the camera from our dealer, dealer is responsible for the customer service for you.

Do you have uestion, answer or comment? Post here!

  1. :

    Have the excessive amp glow issues that were reported been resolved with this camera yet?

    • Sam Wen


      no, we stop produce this cooled camera

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