Quote:
Originally Posted by cometcatcher
Some people probably have the knack of doing it. I don't. It's not just collimation. Focal plane tilt and focus become much less forgiving also.
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Yes, which mightn't bee a problem if the focuser drawtube was rigid, the tube showed no flex, and the secondary assembly rigid. Unfortunately in Chinese OTAs there can be a bit of play in all of these making adjustment (and staying there) harder.
I think my F5 8" is great value, but also expect to have to show some patience and work a little harder to get the best results from it.