QHY PoleMaster EQ Mount Polar Alignment Camera

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QHY PoleMaster EQ Mount Polar Alignment Camera


The QHY PoleMaster eliminates the frustrating aspects that can happen during polar alignment. Save time with this highly sensitive camera! You can start polar aligning before the night sky becomes truly dark with its high sensitivity.

Simply mount your camera to the front of your RA axis, it will then capture an image of the northern sky and then calculate where true north is based on that image. The information is displayed on a screen, helping you make any slight adjustments if needed.

QHY PoleMaster EQ Mount Polar Alignment Camera-box

The QHY PoleMaster is the perfect accessory for your system

Check out its features:

Accuracy: Your best polar alignment can now be achieved with a PoleMaster in the order of a maximum 30-arcsecond range.

Wide-angle view: The PoleMaster's wide field-of-view (11 x 8 degrees) makes it very easy to locate the pole star. 

Easy to install: Easily install it onto any equatorial mount through mount-specific adapters, even on mounts without a polar scope.

Real-time monitoring and adjusting: You can monitor your polar alignment in real-time. If polar alignment is lost, it is now a simple matter to bring it back without having to start from scratch.

Three-star alignment no longer needed: Once you are polar aligned, you will only need to perform a one-star alignment - a real time saver.

Pair it with a single axis mount: When used with a single (RA-only) axis mount, good polar alignment will minimize drift in the DEC axis, therefore maximizing the performance of your mount.

Additional Information:

  • Install Method: Three M3 screws attach to a mount adapter (mount adapter is sold separately).
  • Interface: Mini USB 2.0.
  • High Precision: Max 30 arcseconds.
  • Dimensions: 40 mm Diameter, 50.7 mm tall.
  • Power Consumption: approx 0.35 Watt, 70 mA.
  • Field-of-View: 11-degrees x 8-degrees.
  • Resolution: approx. 30 arcseconds.
  • Rough Precision: approx. 5 arcminutes.
  • High-precision electronic alignment scope.
  • Don't forget the proper Adapter for your mount!


Free ShippingYes
Warranty1 Year Warranty
Weight115 g (0.25 lb)


Customer Reviews
4.5 Based on 48 Reviews
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Chuck D.
United States
QHY PoleMaster

My first use of the PoleMaster went very well, quick and easy to learn how to use and it gave me very good polar alignment without having to drift align. Also very happy with OPT as a source to purchase from, all employees that I spoke to were very helpful in answering my questions.

Evan I.
United States United States
QHY PoleMaster

Easy to setup. Easy to use. Much easier than using the built-in polar scope in my mount and much more accurate.

United States United States
Polemaster review

Does the job. Easy to Use. Polemaster makes polar alignment fun.

United States United States
Excellent product, but...

The camera itself is nothing short of amazing. I get micrometer-scale polar alignment in 10 minutes or less! This is one of the best AP purchases I have ever made. That said, the instructions are SO sparse, it took me over a week of cybersluthing to get this camera to operate as designed. Anyone using this with a Windows 10 computer needs to download the correct driver from QHY website before the computer will even recognize it. The instructions say nothing about that. I think a $300 product should include ALL the correct instructions no matter where it is manufactured.

A OPT Telescopes Customer
United States United States

Nothing has saved me more sleep than this thing.

United States United States

Works great no more strained neck