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Old 18-06-2014, 04:55 PM
N1 (Mirko)
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Join Date: Oct 2013
Location: Dunners Nu Zulland
Posts: 1,427
Totally agree with leon. I've done a bit of observing with people who were completely unfamiliar with telescopes, and none of them had trouble using the focuser after an introduction that took, what, 5 seconds? "Everybody is different. Turn here to focus. You'll see when it's sharp". I make sure I use the word "sharp". The hard part is usually finding the EP in the dark. Using the focuser gives a better feel for the instrument, plus it illustrates why it's best not touched once observing is underway. Also I never assume my focus settings will suit any other person. FAIK, they, or I, may need glasses but don't know it yet.
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