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Away from 1.25" or 2" size, i just curios why someone will collect all the lines of Powermate? or let's say if someone has 2.5x why he needs 2x or if he has 4x why he needs 5x.
Now i have a Mak 180mm f15, so i think 2x is the best suit from Powermate, not sure about 2.5x so that i ordered 2x, and i also have Newtonian 8" f5 so that i want to have 5x, and i am planning to buy another Newtonian or maybe a dob that is about f4-4.8 so 5x will be just fine, and i am skipping 4x until next year or if i get a budget within Oct-Dec without another expense that time.
How do you rate this Powermate anyway, is it high quality? let me give an example, if you have a scope for example that give you native 4000mm without any Barlow and another scope that gives you 2000mm and you use a 2x Powermate, will be there much difference in quality? assuming both will be around f10-f12.
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