ASI 290MM-Cool (mono)


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SKU: ASI290MM-C Category:

Product Description

Diagonal 6.46 mm (Type 1/2.8) Square Pixel Array Color CMOS Image Sensor

Back-Illuminated CMOS image Sensors with Improved Visible Light and Near Infrared Sensitivity that Support 1080p

Sony has developed the approx. 2.13M effective pixel back-illuminated CMOS image sensors IMX290LQR and IMX291LQR with improved sensitivity in the visible-light and near infrared light regions for industrial applications.
A new 2.9 µm-square unit pixel has been developed that combines a back-illuminated structure with technology for improving near infrared sensitivity to further enhance picture quality at low illumination while at the same time realizing Full HD cameras for industrial applications. This realizes two or more times the sensitivity in the visible-light region and three or more times the sensitivity in the near infrared light region than that of the existing Sony product (IMX236LQJ).

Relative QE Curve


Read Noise

290 readnoise

This camera can run without external power supply in normal mode

here is a 60s dark frame

we recommends 12V at 2.5A or more DC adapter for cooler power supply(2.1*5.5, center passitive)


What`s in the box?



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.


Drivers and Softwares:

Our website has newest camera drivers and many DSO and Planetary capture softwares. Please make sure the newest driver and software has been installed before you start shooting:


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 3ASI Cooled Cameras 5ASI Cooled Cameras 6ASI Cooled Cameras 7ASI Cooled Cameras 8ASI Cooled Cameras 9ASI Cooled Cameras 10ASI Cooled Cameras 11ASI Cooled Cameras 12ASI Cooled Cameras 16





Sensor: 1/2.8″ CMOS IMX290/IMX291
Resolution: 2.1Mega Pixels 1936×1096
Pixel Size: 2.9µm
Exposure Range: 32µs-2000s
Interface: USB3.0/USB2.0
ADC: 12bit
Dimension: 78 mm Diameter
Weight: 410g
Back Focus Distance: 17.5mm
Protect Window: AR coated
Cooling: Regulated Two Stage TEC
Delta T: 35-40 degrees C
Cooler Power consumption: 12V at 2A Max

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


  • Fast Shipping(amount ≧ 299USD) for free
  • Fast Shipping(amount < 299USD) : $20.00
  • Free Shipping(amount < 299USD) (Air Mail, 3-4 weeks) (Free)


  1. 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 ≧ $299 or charge extra $20 for order < $299.
  2. Free 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.
  3. Customers from Brazil and Chile should leave a message to provide your CPF or CNPJ as your custom needs it.
  4. 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. :

    Can you post a cooled dark frame for this camera?

    • Sam Wen


      wait some days, we will do it
      the amp-glow of 290 just like 178, not bad

  2. :

    Are you able to control the amp-glow?


    • Sam Wen


      you can check the 60s exposure image, it’s not so bad
      we did some improvement with our 224 too

  3. :

    What’s the QE of this camera at 600 nm?

    • Sam Wen


      it should be a little more than 80%

  4. :

    Can the fan for the TEC be disabled while keeping the TEC on? I am afraid the fan will cause vibrations to the camera.

    • Sam Wen


      yes, but only the new cooled camera with hub will support it

  5. :

    Sam: @ ZWO UserGroup you wrote about 1600MM-C:
    “v3 can transfer the heat from the heat sink to the front window better but it still cannot solve dew problem if there is no heat in the heat sink so cool the camera deeper is more effective to heat the protect window..”

    My question is: is it the same at 290MM-C camera ?

    • Sam Wen


      there is no such need for 290 as the chip of 290 is very small and won’t cool the protect window

  6. :

    Hi Sam,
    I just received this camera from OPT and filter wheel from you. I have an adapter that is 12v 2A will this be sufficient?
    Also I am using the 11 EdgeHD and Televue 2″ 2X Powermate with your MEFW and a Mac for planetary. Any tips on spacing and software?

  7. :

    What is the 290 sensor height and width in millimeters ?
    Thank You

    • Sam Wen


      you can calculate by the resolution and pixel size
      1920*2.9um 1080*2.9um

  8. :

    Is it possible to set up an external trigger on this system?

  9. :

    Is the protect window of this camera D25 AR window, thickness is 3 mm? What is glass type of this window?

    • Sam Wen


      it’s BK270 glass

  10. :

    Is the back-focus distance for this camera 17.5 and 6.5 respectively with or without the t-mount?

    • Sam Wen


      6.5mm without T-mount
      17.5mm with T-mount

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