ZWO Optical

ZWO ASI290 Mono Camera

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Product Overview

ZWO ASI290MM Monochrome CMOS Imaging Camera

The ZWO ASI290MM is a CMOS camera that is awesome for lunar, solar, and planetary imaging, and can even capture deep sky images. The ASI290MM uses the Sony IMX290/291 monochrome 1/3" CMOS 2.13 MP sensor, with a 1936 x 1096 array of 2.9um pixels. This sensor has extremely low read noise of 1.0e at 30db gain and can fire off a maximum of 170 FPS at full resolution.

The ZWO ASI290MM body has a back focus of 12.5mm. A high speed USB 3.0 port, ST4 guide port, 1/4 tripod thread mount on the back, and an AR window are features of this ZWO imaging camera. The included software is compatible with Mac, Windows, and Linux operating systems. Everything you will need to control your ZWO camera is available and easily downloadable in one centralized location on the ZWO website. Click here for ZWO Software Downloads.

More about the Sony IMX290LRQ Sensor

The Sony IMX290/291LRQ uses STARVIS back-illuminated pixel technology for improvements in visible and IR light regions. Besides a back-illuminated structure, the Sony IMX290LRQ also has an expanded photodiode area. When applied simultaneously, these features improve sensitivity in both light regions compared to the existing front-illuminated structure.

The IMX290/291 has a diagonal size of 6.46 mm (Type 1/2.8) and uses a 2.9 um square pixel that was newly developed by Sony to further enhance picture quality at low illuminations.

ZWO ASI290 Sensor Features

  • Sensor: 1/2.8" Monochrome CMOS
  • Resolution: 2.13M
  • Diagonal: 6.46 mm
  • Image Array: 1936x1096
  • Pixel Size: 2.9um
  • Max Frame Rate at Full Resolution: 170 FPS
  • Window: AR
  • Guide Port: ST4
  • Exposure Range: 32us - 2000s
  • ROI: Supported
  • Read Noise: 1.0e at 30db gain
  • Full Well: 14.6ke
  • Back Focus Distance: 12.5 mm
  • Interface: USB3.0/USB2.0
  • ADC: 12bit
  • Adapter: 2 to 1.25 /M42 x 0.75
  • Dimensions: 62 mm Diameter
  • Weight: 210g
  • Working Temperature: -5ºC - 45ºC
  • Working Relative Humidity: 20% - 80%

Sensor: 1/2.8 CMOS IMX290/IMX291
Resolution: 2.1Mega Pixels 1936×1096
Pixel Size: 2.9µm
Exposure Range: 32µs-2000s
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: 62mm 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%

Supported resolution

1936×1096: 20.4
1280×960: 35.3
640×480: 141.5
320×240: 355.9
2X2Bin :968×548: 20.4

USB3.0 MAX FPS(12bit/10bit)
1936×1096: 82.2/170
1280×960: 93.6/193.9
640×480: 184/381.2
320×240: 355.9/737.5
2X2Bin :968×548: 82.2/170

More resolutions can be user defined

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

To support our newest cameras: ASI290 and ASI1600

follow softwares newest version required

SharpCap V2.8.2325 and up

Firecapture V2.5.03 and up


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