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centre of rotation
The PM software calculates centre of rotation based on RA movements, so you don't need to line the camera up to the RA axis perfectly like a polar scope.
Anyhow, the dovetail plate the Cyclops PM adapter is on can be shifted so that the PM is on the centre of rotation of the RA axis if you wish, but you'll likely need to balance with a heavier CW if you do so.
Note: the universal adapter comes free with the PM if you buy from Cyclops Optics - plus free shipping.
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