Brand: ZWO

ZWO ASI2600MC/MM DUO Astronomy Camera with Built In Guide Sensor

Brand: ZWO

ZWO ASI2600MC/MM DUO Astronomy Camera with Built In Guide Sensor

Save yourself money and headaches with integrated guiding in this excellent deep sky camera. It's just a souped up 2600mc that will let your mount track and follow with extraordinary precision.
  • Main Sensor uses a IMX571 sensor
  • APS-C format with 26MP
  • 23.5mm in width x 15.7mm in height
  • Diagonal is 28.3mm
  • The 3.76um x 3.76um small pixel size accommodates an impressive full depth of
  • Extend up to 80ke with new hardware technology
  • Integrated Guide Camera uses an SC2210 the same sensor as the ASI2200MM Mini Camera
  • QE peak value reaches 92% at 500nm
  • Readout noise as low as 0.6e
$1,966.00 USD


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Why we love the ZWO ASI2600MC/MM DUO Astronomy Camera with Built In Guide Sensor

This is a great way to simplify everything about your astrophotography rig. You eliminate the need for a guide scope or OAG, you reduce cable routing headaches, and you simplify backfocus calculations and create more room. Plus you save 10% over the cost of buying it all separately.

This is a souped up version of the well regarded ASI2600mc pro, same great architecture and sensor, but with the added benefit of a build in asi220 guide scope.

Product Description


The ASI2600MC/MM Duo combines imaging and guiding sensor in one compact body. The main sensor is the Sony IMX571 coming with a native 16bit ADC, 14stops dynamic range and 3.76um square pixel array. The readout noise is as low as 1.0e, and the full well capacity reaches an incredible level of 73ke. And it has no amp glow!

The guide sensor is the Type 1/1.8 SC2210 with excellent NIR sensitivity. The sensor size is 7.68mm x 4.32mm. It has 4umx4um pixels with an array of 1920x1080 and a full depth of 8780e.

The stars on the corner of the guide images affected by reducers back focus distance might not be very round. It is not due to the sensor tilt and will not affect normal use.

Note: External power supplies are needed for all ASI cooled cameras. We recommend you use a 12V@3A DC Adapter (5.5*2.1mm, center pole positive) or lithium battery with 11-15V to power the camera. Be aware that using power supply out of this voltage rage will probably lead to irreparable damage to the camera.

Two-in-one design

Thanks to the compact design, the ASI2600MC Duo only needs one USB cable for control. It reduces potential cabling issues and improves setup speeds. You don't need a separate OAG and guide camera.

ASI2600mc duo two in one design

Tilt Adjustment from Rear (Optional)

The 3 points from the rear make tilt adjustment much easier without the trouble of removing the tilt plate from the camera.

ASI2600mc duo optional tilt adjustment

Guide Sensor

asi2600mc duo guide sensor

The SC2210 sensor taken from the ASI220MM Mini camera features very high sensitivity. The QE peak value reaches 92% at 500nm. The readout noise is as low as 0.6e. As the new generation of guide sensor, it has achieved great results in guiding, proved by hundreds of astrophotographers.

ASI2600mc-DUO guide camera features

Main Sensor

asi2600mc duo main sensor

The main sensor IMX571 features an APS-C format and 26MP total pixels. The size is 23.5mm in width x 15.7mm in height, and the diagonal is 28.3mm. The 3.76um x 3.76um small pixel size accommodates an impressive full depth of 50ke. With the new hardware technology, it is even extended to 73ke.

ASI2600mc-duo main camera features

Performance Improvement Comparison

The ASI2600MC DUOs main sensor is a step up from the ASI2600MC-Pro

STARVIS technology

ASI2600MC DUO is based on Sony STARVIS technology.Sony’s back-illuminated CMOS image sensor improves the sensitivity and noise reduction – the key factors to enhancing image quality.

asi2600mc pro starvis technology

Camera Performance

Native 16bit ADC

This 16bit ADC is not a CCD 16bit ADC. It can really achieve a dynamic range output of 14stops, which will significantly improve the image sharpness and contrast, and also create smoother and more natural colour transitions.


ASI2600MC Duo's max FPS in RAW 8 mode at full resolution is 15FPS, which is even quicker compared to ASI2600MC Pro.

Extended full well mode

The full well capacity of ASI2600MC Duo is extended to 73ke, which is 1.46x larger than ASI2600MC Pro.

USB 3.0 & 512MB DDR3 buffer

With the match of USB 3.0 and 512MB DDR3 buffer, ASI2600MC Duo provides stable and secure data transmission that can effectively avoid the frame-dropping issue during long exposures.

No Amp Glow

Traditional CMOS sensors produce a weak infrared light source during operation quite often seen in the corner of uncalibrated images. It is the tell-tale signs of amp glow. As the ASI2600MM Duo uses zero amp glow circuitry, you won't have to worry about amp glow even when using high gain, long exposure imaging.

asi2600mc duo zero amp glow

QE (Quantum efficiency)

Based on our testing results, the QE peak value of ASI2600MC Duo is over 91%.

asi2600mc duo quantum efficiency

2-stage TEC cooling

Thanks to the two stage TEC cooling, ASI2600MM Duo can lower the CMOS sensor temperature to more than 35 degrees Celsius below ambient temperature, which can greatly reduce dark current generation and sensor noise even during extended exposure times.

asi2600mc duo two stage cooling

*The Delta T 35℃ is tested at 30℃ ambient temperature. It might get down when the cooling system is working for a long time. Also, as the ambient temperature falls, the Delta T would also decrease.

Dark Current Noise

asi2600mc duo dark current noise levels

Anti-Dew Heater

There is a polyimide heater completely fitting the protective window in the ASI2600MM Duo camera. It can help avoid any potential annoying dew or icing issues depending on the environment in which you capture images.

The power of the heater is around 5W. You are free to turn it off anytime in your photography software if you want to save power.

asi2600mc duo anti dew heater

What's in the Box

  • Camera Body
  • Camera Bag
  • 2x USB 2.0 (0.5m) cable
  • Quick Quick
  • USB 3.0 Cable (0.75m) x1
  • M54M-M54F (16.5mm)
  • M54M-M54F (21mm)
  • M54M-M48F
  • Hexagon wrench (allen key)
  • USB 3.0 Cable (2m) x1


Model ASI2600MC Pro ASI2600MC Duo
Sensor SONY IMX571 SONY IMX571 SC2210
Max FPS 3.51 FPS 15 FPS (RAW8)
Full Well 51Ke 51Ke Normal Mode
Over 80Ke at Extended full well mode
DDR3 Buffer 256MB 512MB
Adapater M42*0.75 M54*0.75
Guiding Not Supported Supported


Connections to External Devices

asi2600mc duo connect to other devices

Connection to Nikon/Canon Lens

asi2600mc duo connect to other cameras
  1. Niko-T2 adapter
  2. EOS-T2 adapter
  3. 2" filter
  4. Nikon lens
  5. Canon lens

Structural Dimension Diagram

asi2600mc duo structural diagram

Customer Reviews

Based on 1 review

The main camera is great but the guide will work as long you don’t have any filters. As I lived & bortle 8 sky it is not a great choice.

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