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ZWO ASI1600GT 16MP Cooled Monochrome CMOS Telescope Astrophotography Camera with Integrated 5 Position Filter Wheel - ASI1600GT

2 In Stock - Ships Today if Ordered by 2pm! (Tues - Fri)

We will price-match Canadian astronomy dealer pricing

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The New ZWO ASI1600GT and ASI183GT CMOS Cameras Reviewed by Simon Lewis

The ASI GT USB 3.0 cameras include all the great features and performance of the original cameras but now include an integrated 5-position ultra-quiet electronic filter wheel as well as new features such as 12V power distribution. Of course ZWO retained features such as the integrated USB 2.0 hub so now you can reduce the number of adapters and cables in your imaging setup with the integrated design. This integration reduces complexity and saves space and money.

The ASI183GT and ASI1600GT monochrome CMOS cameras both offer the same outstanding performance of the ASI183 and ASI1600 cooled monochrome cameras.




Internal EFW

The internal 5-position Electronic Filter Wheel (EFW) can accept both 1.25” and 31 mm filters. The EFW is driven by a whisper-quiet high grade stepper motor.

Important Note: The thickness of the 1.25 filter cannot exceed 7 mm (without threads), and the thread must be shorter than 2.5 mm to avoid the filter wheel striking the camera housing.



The body of the EFW is CNC milled from an aircraft-grade aluminum block finished in an attractive and hard-wearing anodized finish. The inner surface of the EFW has been specially treated to prevent internal light reflections.



The camera body has 24 heat radiating grooves fitted with dual maglev fans to ensure the temperature difference before and after cooling remains between 40-45℃ below ambient temperature (Tested at 30℃). The lower the ambient temperature is, the lower the delta-T will be.

ZWO-ASI-GT-Camera-heat -radiating


Multiple Ports

12V power supply, USB 3.0 port & USB 2.0 Hub.  



DDR Memory Buffer

The GT cameras include a 256MB DDR3 memory buffer to help improve data transfer reliability.



The best solutions for a required 55 mm back focus:


Mechanical Diagram

ZWO-ASI-GT-camera-Mechanical- Diagram



ASI1600MM Pro Details

The ASI1600 Pro offers very good performance for astrophotography. The camera features low read noise, low dark current and high dynamic range. The ASI1600's built-in 12-bit ADC provides 12 stops of dynamic range, which is even better than KAF8300 due to its super-low read noise. The Panasonic MN34230 sensor is the same size as the 8300 sensor, but it sports twice the megapixels and has a 30% QE!

DDR Memory Buffer

The DDR memory buffer is the main difference between ASI “Cool” and “Pro” cameras. The ASI1600 Pro camera includes a 256MB DDR3 memory buffer to help improve data transfer reliability. The use of a memory buffer minimizes amp-glow, which is caused by the slow transfer speeds when the camera is used with a USB 2.0 port.

USB 3.0 Port & USB 2.0 HUB

USB 3.0 Port: Provides 5 GB bandwidth to make it possible for the ASI1600 Pro to run at 14.7 fps (12-bit, normal mode) or 23 fps (10-bit, high speed mode) at full resolution (16 MP).
USB 2.0 HUB: Connects with various accessories including a filter wheel, guide camera or electronic focuser, allowing you to manage your cables better. There are two short 0.5 m USB 2.0 cables included with the ASI1600 Pro. The hub is powered by the external 12V 5A cooler power supply (optional).


This camera features a two-stage TEC cooling system for very deep cooling at -40ºC below ambient with the optional power supply -> Please add the 12V TEC cooler power supply if you do not have one

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.

Sensor: 4/3″ CMOS
Diagonal: 21.9 mm
Resolution: 16 Megapixels 4656×3520
Pixel Size: 3.8um
Max FPS at full resolution :23 FPS
Shutter: Rolling shutter
Exposure Range: 32us-2000s
Read Noise: 1.2e @30db gain
QE peak: 60%
Full well: 20ke
DDRIII Buffer: 256MB
Interface: USB 3.0/USB 2.0
Adaptor: 2″ / 1.25″ / M42X0.75
Protect window:AR window
Dimensions: 78 mm Diameter
Weight: 410 g
Back Focus Distance: 6.5 mm
Cooling: Regulated Two Stage TEC
Delta T: 40-45 below ambient
Cooler Power consumption: 12V at 2A Max
Working Temperature: -5°C—45°C
Storage Temperature: -20°C—60°C
Working Relative Humidity: 20%—80%
Storage Relative Humidity: 20%—95%

Supported resolutions

12-Bit ADC
4656×3520 14.7fps
3840×2160 23.1fps
1920×1680 32.9fps
1280×960 47.1fps
640×480 80.4fps
320×240 124.4fps

10-Bit ADC
4656×3520 23fps
3840×2160 36.2fps
1920×1680 57.7fps
1280×960 73.6fps
640×480 125.7fps
320×240 192.4fps

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