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ausastronomer
Hope you can assist here.
I'm in the process of deciding on a high power UO HD EP for the new 10" Dob. As can be seen, I already have an 8 mm TV Plossl which yields 156X and am looking for something around 220-250X.
As there are HDs in 5 mm and 6 mm, I'd be iinterested to read what have you determined to be the useable limit in power from your HD EPs? in your 10" Newt.
Mark.
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