ZWO ASI 290 Monochrome CMOS Telescope Camera

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The ZWO ASI290 Monochome Camera might be the perfect choice for your start to lunar and planetary imaging.
Our Product #: ASI290MM

Product Description

The ZWO ASI290MM is an excellent entry level ZWO camera that you will want for planetary imaging. The ASI290MM CMOS Monochrome Imaging Camera is based on the Sony IMX290LQR back illuminated CMOS sensor.

The 2.13 megapixel CMOS sensor is capable of recording a blazing 170 frames per second in full resolution. 

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).

Astrophotography Performance

ASI290MM offers very good performance for astrophotography. Low read noise, high dynamic range, QE peak about 80%, AR protective window and much more.

The ZWO ASI290MM conectivity.

USB 3.0 Port: Provides 5Gb bandwidth to let ASI290 run at 82.2fps (12bit, normal mode) or 170 fps (10bit, high speed mode)  at full resolution(2.1Mega).
ST4 Port: Can be used to connect to the auto-guiding port of your mount and become a great guider.

ZWO has all their information available for download on their website in a perfectly laid out section. Check it out here for software and drivers and here for manuals and guides.

One of the coolest gadgets, and a neccessity according to a majority of ZWO users, is the ASIair Plus.  It is an all-in-one wireless camera solution.  The ASIair Plus gives you control of focus, image taking, plate solving, and computerized mount control with the included SkySafari bridge all controlled by your smartdevice or tablet.  It really is pretty awesome.

Camera technical details

Sensor 1/3" CMOS
ADC 12 bit
Back Focus  12.5 mm
Color or Mono  Monochrome
Cooled or Uncooled  Uncooled
Dynamic Range 12 Stops
Full Resolution Frame Rate        170fps
Full Well 14.6ke
Mega Pixels 2.1mp
Peak QE 80%
Pixel Array 1936x1096
Pixel Size 2.9 microns
Window AR
Sensor Diagonal  6.5mm
Sensor Type CMOS
Sensor Sony IMX290LQR
Guide Port ST4
Read Noise 3.2e
Exposure Range 32us - 2000s
Weight 4.2 ounces

Tech Details

Pixel Array 1936x1096
Pixel Size 2.9 microns


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