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Adrian,
I got hold of the focuser from one of these ED127's from another member who upgraded to a moonlight. I was intending to retrofit the 10:1 mechanism onto my meade series 5000 ED80 which has a very similar focuser. After removing the 10:1 mechanism, it soon became apparent that the large thumbscrew at the rear of the mechanism is only holding the 10:1 mechanism in place. It does not lock the focuser position. There is no locking screw as the hole the locking screw normally occupies (toward the front of the focuser) now contains a screw that also secures the 10:1 mechanism. The hex grub screw adjusts the focuser tension. Hope this makes sense and is of assistance.
Peter
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