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Hi Gordon,
I have had my 8" SW Collapsible Dob for about a month.
It is big, bulky and ackward to transport. Be warned. If you are going to use public parks etc for viewing then be prepared for some physical effort.
The "collapsed" tube fits across the back seat of my Falcon sedan.The base then takes up most of the boot. Not much room for anything else.
My 8" SW dob had an annoying problem with a sticky (stiction) azimuth mount and although there are various fixes (I have installed a roller bearing/lazy susan) you can avoid the problem by going to the 12" which, although much more expensive, comes with a needle bearing as standard.
Collimation has not been a problem, despite my bumping the tube a few times during transport. I am not tinkering with collimation until some expert tells me I must do it.
The 25mm and 10mm eyepieces that SW supply with the 8" work well for me.
The SW 8" collapsible dob is excellent value.
Peter
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