QHY PoleMaster Electronic Polar Axis Alignment System


In stock (can be backordered)


  • Field of View: 11 degrees x 8 degrees
  • Sensitivity: 9th Magnitude
  • Coarse Adjustment: 5 arc minutes
  • Fine Adjustment: Up to 30 arc Seconds
  • Computer Interface: Mini USB2.0 Port
  • Software: QHYCCD Polemaster Calibration Software
  • Weight: 106 grams
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High Precision Wide Field of View

High Precision: The PoleMaster’s pixel resolution is approximately 30 arc seconds. The camera’s pixel matrix itself is a good ruler, so the accuracy it measures is much higher than the accuracy of the macroscopic lens. In the best case it can achieve an alignment accuracy of 30 arc seconds. Wide Field of View: The electronic polar mirror has a large field of view of 11 degrees x 8 degrees, so it is easy to find the Polaris.

Easy Installation

You don’t need to rotate your telescope to some uncomfortable position to keep the polar axis of the equatorial mount unobstructed.

One Star Calibration Tracking Accuracy

Once calibrated, you only need to perform a single-star sync. This makes the setup of an equatorial mount much easier.

Real Time Polar Tracking and Axis Adjustment

You can observe the alignment of the polar axis at any time, as well as continuously monitor the polar axis.


The Polemaster can be mounted to any equatorial mount.


Weight 1 lbs
Dimensions 6 × 5 × 4 in

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