ZWO ASI6200MM-PRO Cooled Mono Camera


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ASI6200MM-PRO Cooled Mono Camera: Unleash the Wonders of Astrophotography

Experience the future of astrophotography with the ASI6200MM-PRO Cooled Mono Camera. Equipped with Sony's latest back-illuminated IMX455 Full Frame sensor and native 16-bit ADC, this camera delivers unparalleled image quality and performance.

Amazing Craftsmanship & Lightweight Design

Our relentless pursuit of perfection led to the ASI6200MM-PRO's lightweight body, weighing just 0.7KG. ZWO engineers meticulously reduced the weight while enhancing its performance, resulting in a camera that excels in the most demanding conditions.

Full Frame Format & High Resolution

The ASI6200MM-PRO boasts a full frame format, with a sensor size of 36mm * 24mm and a diagonal of 43.3mm. The 62MP resolution, paired with 3.76um pixel size, ensures every detail of the cosmos is captured with precision. A large well depth of 51.4ke allows for stunning dynamic range.

Native 16-bit ADC & Enhanced Image Quality

Our first batch of CMOS astronomy cameras equipped with native 16-bit ADC, the ASI6200MM-PRO achieves an impressive dynamic range of 14 stops. The result? Crisp, sharp images with enhanced contrast and natural color transitions.

IMX455 Backlit Sensor & Sensitivity Improvement

Sony's back-illuminated CMOS image sensor revolutionizes sensitivity and noise reduction. With a unique pixel structure, the sensor maximizes light capture, minimizing noise, and enhancing image quality. Say goodbye to amp-glow and welcome stunningly clear astrophotos.

Ultra-Low Dark Current & Anti-Dew Technology

Experience minimal dark current noise with our two-stage TEC cooling system, lowering the CMOS sensor temperature more than 35°C below ambient. The ASI6200MM-PRO comes with an anti-dew heater, ensuring dew won't dampen your astrophotography sessions.

USB 3.0 & 256M DDR3 Memory for Seamless Operation

Equipped with a USB 3.0 interface and built-in 256MB DDR3 cache, the ASI6200MM-PRO ensures stable and secure data transmission. Frame dropping is minimized during long exposures, guaranteeing smooth operation and optimal performance.

Discover the Universe Like Never Before

Unlock the secrets of the cosmos with the ASI6200MM-PRO Cooled Mono Camera. Capture stunning celestial wonders with ease and precision. Embrace the universe and embark on an astrophotography journey like no other.

Key Features:

  • Sony IMX455 Back-Illuminated Sensor
  • Native 16-bit ADC for 14-stop Dynamic Range
  • Zero Amp-Glow Technology
  • Full-Frame Format with 62MP Resolution
  • Ultra-Low Dark Current and Noise
  • Anti-Dew Heater for Dew Prevention
  • USB 3.0 Interface & 256MB DDR3 Cache
  • Lightweight and Durable Design

Capture the beauty of the cosmos with the ASI6200MM-PRO. Order now and elevate your astrophotography to new heights!




Amazing Craftsmanship, Lightweight body, Solid image quality:

We have been working hard to reduce the weight of the camera while improving the performance of the camera. After years of technical accumulation and repeated weight loss experiments by ZWO engineers, ZWO finally concentrated the ASI6200 to 0.7KG.



Full Frame format:

The ASI6200MM Pro uses full frame format, the sensor length and width are 36mm * 24mm and the diagonal is 43.3mm. This is a 62MP camera with a small pixel size of 3.76um that can accommodate a large well depth of 51.4ke.


Native 16bit ADC:

ASI6200MM Pro is our first batch of CMOS astronomy cameras with 16bit ADC. This 16bit ADC is not a CCD 16bit ADC, and it can really achieve a dynamic range output of 14 stops. This significantly improves the image sharpness and contrast, and the color changes are smoother and more natural.



IMX455 backlit sensor:

Sony’s back-illuminated CMOS image sensor improves sensitivity and noise reduction – the key factors to enhancing image quality, while radically realigning their fundamental pixel structure from front-illumination to back-illumination. It has retained the advantages of CMOS image sensors such as low power consumption and high-speed operation.

With a conventional front-illumination structure, the metal wiring and transistors on the surface of the silicon substrate that form the sensor’s light-sensitive area (photo-diode) impede photon gathering carried out by the on-chip lens. A back-illuminated structure minimizes the degradation of sensitivity to optical angle response, while also increasing the amount of light that enters each pixel due to the lack of obstacles such as metal wiring and transistors that have been moved to the reverse of the silicon substrate.

Sony has newly developed a unique photo-diode structure and on-chip lens optimized for back-illuminated structures, that achieves a higher sensitivity and a lower random noise without light by reducing noise, dark current and defect pixels compared to the conventional front-illuminated structure.


Camera Performance:

The ASI6200MM Pro has excellent performance with a dynamic range of up to 14stops. When the gain value is 100, the magical HCG high gain mode is turned on, the readout noise is greatly reduced, and the dynamic range is basically unchanged. It is recommended to set the gain to 0 or gain 100 in deep space.



Zero Amp Glow:

Traditional CMOS sensors produce a weak infrared light source during operation quite often seen in the corner of uncalibrated images as the tell tale signs of ‘amp glow’. As the ASI6200MM Pro uses zero amp glow circuitry, you won’t have to worry about amp glow even when using high gain, long exposure imaging.


With amp glow – exposure 300 second exposure


ASI6200 frame with no amp glow – Exposure 300 seconds


ASI6200MC Pro comes with the polyimide heater that can avoid any dew problems.

The anti-dew heater  which completely fit the  protective window will heat it to avoid any dew problems.

The heat anti-dew heater power is around 5W and can be turn off  in software to save power.

QE value:

We anticipate that the QE peak value of the ASI6200MM Pro is above 80%.


Two-stage TEC cooling, ultra-low dark current:

ASI6200MM Pro uses two stage TEC cooling that can lower the CMOS sensor temperature to more that 35c below ambient, which can greatly reduce dark current generation and sensor noise even with extended exposure times.

The unique dark current suppression technology can even further reduce dark current noise.

At a cooling temperature of 0 °, the dark current noise is only 0.003e/s/pix. This means 300s exposure can only cause 0.9e dark current noise, which is completely negligible!


If you are having any trouble with the cooling, please check out the following page on the manufacturer's website before contacting us: 

Click here: Why the cooler does not work?





USB3.0 & 256M DDR3 Memory:

The ASI6200MM Pro is equipped with a USB 3.0 transmission interface and a built-in 256MB DDR3 cache to ensure stable and secure data transmission. Under long exposure, it effectively avoids frame dropping and greatly reduces the glow effect caused by slow reading speed.



Mechanical Diagram:


What is in the box?


The best solution of 55mm back focus length:

Click on the above image for full size!

Usage guide:

How to assemble a ZWO ASI6200MM-PRO, 2″ EFW and M68 OAG

Connection Diagram:


  1. Nikon-M54 adapter
  2. EOS-M54 adapter
  3. Nikon lens
  4. Canon len

ZWO ASI6200MM-PRO Cooled Mono Camera