Bought a Celestron EdgeHD 8 and electronic focuser. Connected as per manual and focuser was struggling to turn despite following manual for not over tightening. It burnt out. I contacted the seller here in uk who were great and they replaced the focuser straight away. I also contacted Celestron for advise and got a “probably a duff unit” response. I Got another focuser and installed. This time i powered via USB only to play safe. The high current version of USB, Pegasus UPB high current port to ne precise. The focuser was still tight! Had to back screws of so far to get the original manual focuser smoothness that they became superfluous. in the end i had to make a 2mm shim to keep the focuser off the outer ring of the EdgeHD focus bearing. Note, everything was centred and aligned as per the user manual but no joy, only the shim helped. Well, heres the reason for the 2 star review, Celestron was contacted two weeks ago, I sent pictures and a detailed explanation. I got the stock auto response back that a rep will be in touch soon. That was two weeks ago. One week later i sent a chaser email and got no response al all. All in all pretty much destroys my confidence in Celstron, Pretty sad really!Br and Good Luck with there Tech Support.
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Celestron is a company based in Torrance, California, United States, that manufactures telescopes and distributes telescopes, binoculars, spotting scopes, microscopes, and accessories manufactured by its parent company, the Synta Technology Corporation...