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I agree they are pretty bad - my 12inch Meade SCT has not only mirror flop, but runaway focus - when you move the focus anti-clockwise, it will slowly drift out of focus all by itself. I suspect I need to open it and lube up the shaft. (ew, that sounded wrong)
For any sort of planetary imaging, the stock focusers on the larger Meade SCT's appear pretty useless. My old C8 focusing was great - light as a feather, and almost no mirror flop.
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