ZWO ASI183MC Colour CMOS Camera


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    ZWO ASI183MC Colour CMOS Camera

    The ASI183MC is ZWO’s most sensitive camera to date with a peak QE of 84% in mono made possible by a back illuminated sensor.

    The small pixels with large well depth, low read noise, and high QE make this camera most suitable for imaging at short focal lengths without sacrificing dynamic range or sensitivity.

    The ASI183MC, ZWO’s most sensitive camera to date with a peak absolute Q.E. of 84% in mono made possible by a back illuminated sensor.


    Logo-of-183MM MC(新).jpg

    Introducing the ASI183 camera series, the most sensitivie cameras in ZWO history. Peak Q.E. of the mono sensor reaches 84%!

    Diagonal 15.86 mm Approx. 20.48M-Effective Pixel Monochrome/Color CMOS Image Sensor


    ▶High-Speed and High-Picture-Quality Rolling Shutter-Type Back-Illuminated CMOS Image Sensors

    In the astronomic application field, Sony IMX183CLK-J (monochrome) and IMX183CQJ-J (color) sensors uses a very high sensitivity back-illuminated structure with high resolution 2.4 μm square unit pixel.  The optical size is 1 inch.

    Astrophotography Performance

    The ASI183 cameras has a very large full well capacity(15000e) for such small pixel size, 1.6e read noise @ 30DB, and 12stops dynamic range @ Gain=0. The ASI183 cameras also utilize firmware features to minimize amplifier glow for maximum performance in astrophotography.

    183 Gain RN DR FW vs gain

    High Speed

    Fast FPS can be used in solar and lunar imaging, as well as for live viewing/EAA.The high speed readout may also be used for real-time focusing, true lucky imaging of double stars and other small objects, planetary imaging of the major planets in the solar system, and much more.

    10Bit ADC
    5496×3672    19fps
    3840×2160    41.04fps
    1920×1080    80.10fps
    1280×720      117.30fps
    12bit ADC    
    5496×3672    19fps
    3840×2160    36.12fps
    1920×1080    70.48fps
    1280×720      103.23fps

    High QE

    Sony’s back-illuminated Exmor R technology, giving it excellent Deep Sky performance. ASI183 QE peak reaches a remarkable 84%. In Ha channel, QE is still over 60%.

    Having high QE means more of the light that enters your telescope and reaches the sensor is actually used. With 84% peak Q.E. and no less than ~50% within the visible spectrum, the ASI183 will utilize a high percentage of the light that reaches it, improving your signal quality.


    USB 3.0 Port & ST4 Port

    USB 3.0 Port: Provide 5Gb bandwidth to make it possible for ASI183 to run at 19 fps (12bit, normal mode) or 19 fps (10bit, high speed mode)  at full resolution(20.18Mega).

    ST4 Port: Can be used connect with auto guide port of mount, for guiding.



    ASI 183MC Instruction Manual

    Mechanical Drawing


    What is in the box?

    ASI183 box includes all necessary cables, adapters, and manuals.


    Sensor: 1″ CMOS IMX183CLK-J/CQJ-J
    Diagonal: 15.9mm
    Resolution: 20.18Mega Pixels 5496*3672
    Pixel Size: 2.4μm
    Bayer Pattern: RGGB
    Shutter:Rolling shutter
    Exposure Range: 32µs-2000s
    ROI: Supported
    ST4 Guider Port: Yes
    Read Noise: 1.6e @30db gain
    QE peak: 84%
    Full well: 15ke
    Interface: USB3.0/USB2.0
    Adaptor: 2″ / 1.25″ / M42X0.75
    Dimension: φ62mm 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%
    Max FPS at full resolution:
    10Bit ADC
    5496×3672 19fps
    3840×2160 41.04fps
    1920×1080 80.10fps
    1280×720 117.30fps
    640×480 169.92fps
    320×240 308.17fps
    12bit ADC
    5496×3672 19fps
    3840×2160 36.12fps
    1920×1080 70.48fps
    1280×720 103.23fps
    640×480 149.53fps
    320×240 271.19fps

    Have a question about this product?

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