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ZWO ASI183MC Pro USB3.0 Cooled Color Astronomy CMOS Camera


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The ASI183 line of cameras are ZWO’s most sensitive cameras in history to date. It has a peak QE of 84% 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 Pro version also features deep cooling for low thermal noise when taking long exposures and a data buffer for consistent data transfer

Note: This item is a special order item. We do not hold stock in Mitcham and will order in to fulfil orders only. 

Dispatch in 12-14 Days

Regular Price: $1,399.00

Special Price $1,299.00

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The ASI183MC is ZWO's most sensitive camera to date which is made possible due to a back iluminated sensor. It comes with a IMX183CLK-J/CQJ-J sensor. It has a diagonal of 15.86mm and an approximately 20.48M-Effective Pixel Monochrome/Color CMOS Image Sensor.

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

The ASI183 uses Sony's IMX183CLK-J (monochrome) and IMX183CQJ-J (color) sensors which has a very high sensitivity back-illuminated structure with high resolution 2.4 μm square unit pixel. The optical size is 1 inch.

DDR Memory Buffer:

DDR Memory buffer (main difference between ASI "Cool" and "Pro" cameras)

The ASI183 Pro camera includes a 256MB DDR3 memory buffer to help improve data transfer reliability. Additionally, the use of a memory buffer minimizes amp-glow (caused by the slow transfer speeds when the camera is used with a USB 2.0 port) in order to capture clearer viewings!

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 amp-glow for maximum performance in astrophotography.

ASI183MC Pro's read noise, full well, gain and dynamic range

Reliable Mechanics:

The ASI294MC Pro has the same sturdy mechanics and elegant design as the ASI1600 Pro. ZWO's recognisible sleek hot-rod red housing not only protects the sensor chamber, but works incredibly well in wet and humid environments without dew problems. 

High Speed:

The camera's fast FPS is ideal for both solar (white light) and lunar imaging. as well as for live viewing/EAA (electronically assisted astronomy).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:

The camera uses 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%.

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


Dark Current: 

Based on ZWO's own tests, the ASI294's dark current runs abit lower than the ASI1600 at the same temperature. Please check the dark frame to make sure you fully know its performance. 

Dark current vs Temeprature

USB 3.0 Port & USB2.0 Hub:

ZWO ASI183MC Pro (colour)

  • USB 3.0 Port: Provides 5Gb bandwidth to make it possible for ASI183 Pro to run at 19 fps (12bit, normal mode) or 19 fps (10bit, high speed mode) at full resolution(20.18Mega).
  • USB 2.0 Hub: Easily compatible with various accessories (filter wheel, guide camera, electronic focuser) The USB hub can also be powered by an external power source. Includes 2 short 0.5m USB 2.0 cables.

Cooling system:

The camera has a 2-stage TEC cooling system that enables deep cooling (40°C to 45°C below surroundings). This cooler will require an external power supply ot 9-15V batteries which are not included with the camera.

Connecting diagram:

Connecting the ASI183MC Pro Camera


  1. M43-T2 adapter (optional)
  2. EOS-T2 adapter (optional)
  3. 2” Filter (optional)
  4. 1.25” T-Mount
  5. 1.25” Filter (optional)
  6. M42-1.25” adapter
  7. T2 extender 11mm

Specifications diagram:

Mechanical specifications of ASI183MC Pro

What's in the box: 

1600 294 183冷冻包装清单

* Note that cooled cameras need a 12V power adapter (which does not come with the camera)

* Please install the newest driver and software from the ZWO website before starting to shoot for best performance: 

Technical details:

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
Read Noise: 1.6e @30db gain
QE peak: 84%
Full well: 15ke
DDRIII Buffer: 256MB
Interface: USB3.0/USB2.0
Adaptor: M42X0.75
Protect window:AR window
Dimensions: 78mm Diameter
Weight: 410g
Back Focus Distance: 6.5mm
Cooling: Regulated Two Stage TEC
Delta T: 40°C-45°C below ambient
Camera Power consumption: 650mA at 5V
Cooler Power consumption: 12V at 3A Max
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

What's In The Box

  • Camera bag
  • ZWO ASI 183MC Pro Astronomy CMOS Camera
    2m USB 3.0 cable
  • Quick Set Up Guide
  • T2 21mm extender
  • T2-M48 16.5mm extender
  • 1.25" nose piece
  • 1.25" cover
  • M42-M48 adapter
  • 0.5m USB 2.0 cable x2
  • T2-1.25" adapter
  • spacer x4

Product Code: ZWO-ASI183MC-P

Additional Information

Additional Information

Sensor Type IMX183
Sensor Size 1"
Pixel Size 2.4μm
Resolution 20MP (5496 x 3672)
Colour/Monochrome Colour
Frames per Second 19
A/D Conversion 12 bit
Back Focus Distance 6.5mm
Power Requirement 12V
USB Connection USB 3.0
Cooling System Regulated Two Stage TEC
Recommended Use No
Weight 410g
Warranty Information No
Additional Specifications of Product No