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Old 10-02-2013, 06:50 PM
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Chris85 (Chris)
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Join Date: Jul 2011
Location: Perth, WA
Posts: 316
ED 80 'in-focus' issue

Hi all,
I have a North Group ED80 (ES/meade/hioptic) that seems to lack enough "in-focus". My DSLR comes to focus no problem, and also when using my 2" 24mm eyepiece and 2" mirror diagonal it's fine. But when I use my 2" 15mm or my 1.25" 12mm illuminated eyepiece when doing star aligning for the Go-to, they both fall just short after the focuser is racked all the way in. I tried using a barlow on the 12mm but that didn't work.
I'v read that maybe it's the mirror diagonal, and swapping it for a quartz could fix it? Shorter light path I'm guessing?
So basically I was wondering if anyone knows why or has had this problem before and can help me out?

Thanks for reading
Chris
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