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  Sensor:  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: 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.   Reliable Mechanics: The ASI183MC 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 ADC5496×3672 19fps3840×2160 41.04fps1920×1080 80.10fps1280×720 117.30fps 12bit ADC 5496×3672 19fps3840×2160 36.12fps1920×1080 70.48fps1280×720 103.23fps     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 ASI183MC'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.      USB 3.0 Port & USB2.0 Hub:   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: Alternatives: M43-T2 adapter (optional) EOS-T2 adapter (optional) 2” Filter (optional) 1.25” T-Mount 1.25” Filter (optional) M42-1.25” adapter T2 extender 11mm   Specifications diagram:     Technical details: Sensor: 1″ CMOS IMX183CLK-J/CQJ-JDiagonal: 15.9mmResolution: 20.18Mega Pixels 5496*3672Pixel Size: 2.4μmBayer Pattern: RGGBShutter:Rolling shutterExposure Range: 32µs-2000sROI: SupportedRead Noise: 1.6e @30db gainQE peak: 84%Full well: 15keADC:12bitDDRIII Buffer: 256MBInterface: USB3.0/USB2.0Adaptor: M42X0.75Protect window:AR windowDimensions: 78mm DiameterWeight: 410gBack Focus Distance: 6.5mmCooling: Regulated Two Stage TECDelta T: 40°C-45°C below ambientCamera Power consumption: 650mA at 5VCooler Power consumption: 12V at 3A MaxWorking Temperature: -5°C—45°CStorage Temperature: -20°C—60°CWorking Relative Humidity: 20%—80%Storage Relative Humidity: 20%—95%Max FPS at full resolution:10Bit ADC5496×3672 19fps3840×2160 41.04fps1920×1080 80.10fps1280×720 117.30fps640×480 169.92fps320×240 308.17fps12bit ADC5496×3672 19fps3840×2160 36.12fps1920×1080 70.48fps1280×720 103.23fps640×480 149.53fps320×240 271.19fps     Recommended Accessories ZWO 12V 5A Power Adapter for Cooled Cameras Used to power your compatible ZWO cooled camera or electronic device. ZWO Desiccant Tablets for Cooled Cameras Replace used dessicant tablets as required with the ZWO Dessicant Tablets for Cooled Cameras to keep your cooled camera functioning optimally.   M48 T-Thread Spacer Ring Kit Add a M48-T-Thread Spacer Ring Kit to adjust backfocus spacing as required. Comes with 7 convenient sizes.     About ZWO Optical Astrophotography has never been easier. Established in 2011, ZWO Optical is a fast-growing global astroimaging camera powerhouse based in Suzhou China. They focus on building and innovating ground-breaking CMOS cameras such as the iconic ZWO ASI120MM Monochrome CMOS camera (the first-ever planetary CMOS camera to beat a CCD in the early 2010s). ZWO continues to pioneer new astrophotography technology with revolutionary features to capture exceptional quality of images of space that will last you a lifetime. Today, ZWO cameras are recognised by every passionate astrophotographer and are available in over 25 countries internationally. Product Code: ZWO-ASI183MC-P