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Got the new HD focuser from HiOptic (thanks Gilman!) fast, accurate service and with the A$ where it is not to much $$$, AU$ 180 in fact. There was a small problem on arrival - two bent thumscrews however there was no damage to the packaging that I could see and the focuser does not appear damaged in any way. I have reported the issue and replacements are on their way already. For now I have taken the thumbscrews from the old unit.
First impressions are favourable - it was east to remove the old unit and the new one fit without any problems at all. There is no apparent flex in the draw tube which has three flats as opposed to the old one that had only the one, the lock works and the tension adjustment is far easier and effective. The action is smooth.
I will try it under the stars tonight - I am looking for less tilting of the CCD plane (flex) and no slippage of focus - I will report back what I find! In the mean time I attach a couple of images for those interested.
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