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The factors that are a consideration for me is the sheer weight and mobility of the dobs vs apeture size.
Isn't it really hard to pull the spring down to the stay on these models though?
As to me it looks like trying to pull a strong spring into place which will requires much strength, and this will indirectly affect the portability of the dob, in terms of disengaging it and moving the mount and the tude seperately. Which will intern be factored into what size dob I will get.... (confusing init?)
BTW what does OTA stand for? I think it means just the telescopic tube only..... but what does the words OTA actually stand for?
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