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QHYCCD QHY600M 60MP Full Frame Monochrome CMOS Telescope Astrophotography Cameras

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Please see the Specifications tab for a comparison of the 3 QHY600M models available.

The QHY600M ends the days of non-16bit CMOS cameras and it ends the days non-full frame (and larger) monochrome CMOS cameras.

The QHY600M uses the latest SONY back-illuminated sensor, the IMX455, a full frame (35mm format) sensor with 3.76um pixels and native 16-bit A/D. This sensor is available in both monochrome and color versions. The sensor size is 36mm x 24mm. Ultra low dark noise.  The round design and imaging chip is an excellent match for RASA systems.

The QHY600M is cooled CMOS camera with native 16-bit A/D on-chip. The output is real 16-bits with 65536 levels. Compared to 12-bit and 14-bit A/D, a 16-bit A/D yields higher sample resolution and the system gain will be less than 1e-/ADU with no sample error noise and very low read noise.

One benefit of the back-illuminated CMOS structure is improved full well capacity. This is particularly helpful for sensors with small pixels. Even with unbinned, 3.76um pixels, the QHY600M has a full well capacity of 49ke-. When binned 2x2 to 7.5um the full well is 196ke- and when binned 3x3 to 11um the full well is 441ke-.

The QHY600M has only 1.0 electron of read noise at high gain and 4 FPS high readout speed. One electron of read noise means the camera can achieve a SNR>3 at only 4 to 6 photons. This is perfect performance when conditions are photon limited, i.e., short exposures, narrow band imaging, etc., making this large area sensor ideal for sky surveys and time domain astronomy.


  • USB 3.0, GigeE Hardware Included
  • 2 Stage Regulated TE Cooling Delta -40C
  • 128 MB DDR Frame Buffer
  • ST-4 Compatible Guide Port
  • Filter Wheel Port
  • Anti-Noise Technology
  • Anti-AMP Glow Technology
  • Anti-Dew Technology

These additional features include a heated optical window to prevent external dew, a desiccant plug socket to help maintain a frost-free CMOS chamber, a 128MB frame buffer, a filter wheel port, and in the case of the QHY174M-GPS (Selected by the NASA New Horizon Team), an optional GPS timing module for highly accurate time stamping on individual frames.  Dual-stage TE cooling reduces the sensor temperature to -40C or more below ambient and temperature regulation maintains a constant temperature set point.  Due to the efficient TE cooling, single exposure times up to 30 minutes are possible on most models, making them suitable for deep space imaging of dim objects as well as brighter objects and planets. 

All of the Small COLDMOS cameras use Sony Exmor CMOS sensors.  Two models, the QHY178 and QHY290, use Sony STARVIS Exmor R back-illuminated sensors.  STARVIS is Sony’s designation for sensors capable of recording under starlight.  These sensors have improved 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 retains the advantages of CMOS image sensors such as low power consumption and high-speed operation while dramatically improving sensitivity.  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, and this has also been an important issue in the miniaturization of pixels and widening optical angle response.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

Items that have been opened, damaged or are otherwise unsaleable will be subject to a minimum 10% restocking fee, to be assessed by Telescopes Canada upon receipt of the returned goods

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

Typographical Errors and Order Cancellations

Telescopes Canada reserves the right to cancel an order due to an error in pricing by Telescopes Canada or one of our suppliers, equipment being no longer obtainable, or other events which are out of our control.

Client-Initiated Cancellations

Client-initiated order cancellations are accepted prior to delivery of the equipment to the customer, thereafter it is a return.

The Features of the Three QHY600M Models

  QHY600 Amateur Version QHY600 Early Bird Version QHY600 Professional Version 
USB 3.0 interface Yes Yes Yes
DDR3 Memory 1 GB  (8 GB) 2 GB  (16 GB) 2 GB  (16 GB)
Dual 10 GB/s Fiber Interface No Can be optionally upgraded Yes
Readout Mode 3 3 9
Low readout in big full well mode  TBD Supported Supported
Multi-Propose IO Port  No Can be optionally upgraded Yes
GPS Hardware Timing BOX Connection No Can be optionally upgraded Supported
Multiple Camera High Precise Sync Capture
Can be optionally upgraded Supported (by request)
16bit Max Frame Rate
2.5 FPS
2.5 FPS  (can upgrade to get 4 FPS with fiber) 4
14-bit Max Frame Rate
Does not support 
Can be optionally upgraded 10 FPS
8K 30FPS video
7 FPS 
Can be optionally upgraded Yes
Customized FPGA code
Can be optionally upgraded Yes, allows customized  100,000 Gates
High Precise Shutter Signal Output
No Can be optionally upgraded Yes
Accept Trig-In Function No Can be optionally upgraded Yes

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