Just measure the diameter of the broken focuser body where it attaches to the tube and buy the same size. Don't know what focuser Skywatcher use on the ED72, is it the same as in this picture.
https://www.bintel.com.au/product/ev...72-guidescope/
If it is then there may not be a direct swap for a GSO focuser.
Quote:
Originally Posted by zumka
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