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ZWO ASI183MC Pro Cooled Color CMOS Astrophotography Camera


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  • Great for planetary and deep space imaging!
  • Extremely low noise with 12 stops dynamic range.
  • Pixel Array: 5496 x 3672.
  • Sony back-illuminated CMOS sensor.
  • 20.2 megapixels (5496 x 3672 with 2.4-micron pixels).
  • Color and monochrome options available.
  • Cooled and non-cooled options available.

Product Details

  • The ZWO ASI183MC Pro Cooled Color CMOS Telescope Camera is incredibly efficient as a deep space camera. It can be cooled to temperatures 45 degrees Centigrade below the ambient temperature bringing thermal noise buildup down to a minimum. You can take pictures up to 33 minutes with this camera, but with a read noise of 1.6 to 3.7 electrons (depending on gain settings), exposures that long are rarely needed. When shooting deep space images at full resolution this camera pairs exceptionally well with telescopes 300 mm to 600 mm in focal length, and when binned 2 x 2, it pairs well with telescopes 1,000 mm to 1,500 mm in focal length.

    As a planetary and solar camera, the ASI183 is exceptional. For solar imaging, this camera can record full 20.2 mp videos at 19 frames per second and capture the entire sun with a 1350 mm focal length! If you’re interested in speed shooting planets like Jupiter and Saturn, the ASI183 clocks out at 308.17 frames per second at 320x240 resolution!

    The ASI183MC Specifications at a Glance


    The Sony IMX183CQJ-J CMOS Sensor offers a higher resolution, high quantum efficiency and which just as efficient signal to noise ratios as it's older brother the ASI 1600. These sensors can record 20.2-megapixel video at 19 frames per second, which is 48% more resolution than Ultra High Definition 4k video! These sensors offer 12 stops of dynamic range when the gain settings are at 0 and offer a low read noise 1.6 electrons when the gain is set at 30 DB. The size of the sensor is approximately 15.9 mm, the same size as most Micro Four Thirds cameras. The sensor is also back-illuminated for higher QE. 


    The ASI183 is very efficient when it comes to light gathering. The camera has a peak of EQ 84%! The H-alpha emission line is recorded at 60% and doesn't record less than 50% in the visible spectrum.


    The ASI183 is fast, which gives it the ability to focus on real-time and get the most data possible for your solar and planetary imaging setups.

    10Bit ADC
    5496 x 3672 19fps
    3840 x 2160 41.04fps
    1920 x 1080 80.10fps
    1280 x 720 117.30fps
    640 x 480 169.92fps
    320 x 240 308.17fp

    12Bit ADC
    5496 x 3672 19fps
    3840 x 2160 36.12fps
    1920 x 1080 70.48fps
    1280 x 720 103.23fps
    640 x 480 149.53fps
    320 x 240 271.19fps

  • specifications

    ADC12 bit
    Back Focus6.5 mm
    Camera ConnectionM42x0.75
    Color or MonoColor
    Delta T45C
    Dynamic Range12 Stops
    Free ShippingYes
    Full Rez Frame Rate19fps
    Full Well15ke
    Max Frame Rate308.17fps
    Mega Pixels20.2 mp
    Peak QE84%
    Pixel Array5496 x 3672
    Pixel Size2.4 microns
    Read Noise3e
    Sensor Diagonal15.9 mm
    Sensor TypeCMOS
    SensorSony IMX183CQJ J
    Weight0.9 lbs
  • included items

    What Is In The Box


    Product Reviews

    Customer Reviews
    4.8 Based on 21 Reviews
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    United States


    Excellent, easy to use, I am so happy with this buy!

    United States United States

    Very Underrated OSC Camera

    This is the most underrated camera on the Market, I pair it with my Redcat 51 and my Ioptron Sky Guider pro... and it's just straight up Amazing! The pictures speak for themselves...

    OPT Telescopes ZWO ASI183MC Pro Cooled Color CMOS Astrophotography Camera ReviewOPT Telescopes ZWO ASI183MC Pro Cooled Color CMOS Astrophotography Camera ReviewOPT Telescopes ZWO ASI183MC Pro Cooled Color CMOS Astrophotography Camera ReviewOPT Telescopes ZWO ASI183MC Pro Cooled Color CMOS Astrophotography Camera Review
    United States United States

    So far so good

    This is pretty great camera. I actually dropped it on my concrete driveway recently and luckily it’s still working great.

    Kurt W.
    United States United States

    Great camera!

    Got the ASI183MC Pro as my first astronomy camera, to convert a 1987-era Meade 2120 from visual observing to photography. Happy with the first photo, which was of the Whirlpool Galaxy from my driveway under light polluted suburban sky about 100 feet from a street lamp. The camera is very easy to use, and performed exactly as expected.

    OPT Telescopes ZWO ASI183MC Pro Cooled Color CMOS Astrophotography Camera Review
    Norway Norway

    Beginner photo

    Great camera.

    OPT Telescopes ZWO ASI183MC Pro Cooled Color CMOS Astrophotography Camera Review
    Dan P.
    United States United States

    Excellent first step into dedicated astro camera

    Like several other reviewers, this was my first dedicated astro imaging camera. I've used a handful of guide cameras, but this is the first one I've used for legitimate imaging. I found the ASI183MC Pro to be very approachable and ridiculously simple to get up and running. Back focus was a breeze, the package contains all the necessary hardware and cabling , and the instructions were clear and easy to follow. Downloading and installing all the ZWO software was a snap, from drivers to ASIStudio (grain of salt: I'm coming off a bad experience dealing with another astro camera manufacturer's device drivers, so my bar might be a tad lower than average). I'm almost more impressed with ASIStudio than with the camera itself. I love this community of AP enthusiasts, but the UI/UX of using a lot of the software is pretty horrendous, even for current, well-maintained applications (looking at you, EQMOD). ASIStudio was a breath of fresh air in that department...clean, intuitive, simple, and had me up and imaging the same night the camera arrived. The sensor is a lot smaller than the Nikon Z7 (unmodded) I've been using up to the point, so the loss of resolution and the switch from full frame to micro 4/3 really threw me at first. That said, the 2x crop factor was part of the decision to buy this model since I wanted to extend the reach of my WO Z73 without breaking the bank. I have no regrets, there, but the small pixels and small sensor surface area definitely emphasize the need for more, longer subs. It does very well with faint objects, however, and the first image I've produced of the horsehead nebula had several orders of magnitude more detail than my unmodded Nikon. The only negative I've found for this camera is its amp glow. ZWO provides excellent documentation of the amp glow patterns for its different models, so it wasn't a big struggle to fix (make sure to take and integrate a good set of dark frames), but I wasn't expecting to see that kind of artifacting on a cooled camera. Regardless, I really like this camera and am looking forward to learning how to push its limits as I skill up.

    OPT Telescopes ZWO ASI183MC Pro Cooled Color CMOS Astrophotography Camera Review