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Any astro buffs here?
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<blockquote data-quote="Outback" data-source="post: 555227" data-attributes="member: 1194"><p>That boat size was a good analogy !</p><p></p><p>I had many scopes without a centre mark years ago and because of the longer focal lengths they were easy to collimate .</p><p>I'm still using some eyepieces from the 70s , one day I'll get an Ethos .</p><p></p><p>The Autocollimator works like this : after you get the alignment close pop in the AC & whist looking through it adjust the mirror knobs till the view go's dark , it's got a reflecting surface on the inside that will cancel out all the reflections when everything is spot on giving you perfect collimation .</p><p></p><p>Best little device I ever bought ''' fast & easy to use </p><p></p><p>Cheers</p><p>Jack</p></blockquote><p></p>
[QUOTE="Outback, post: 555227, member: 1194"] That boat size was a good analogy ! I had many scopes without a centre mark years ago and because of the longer focal lengths they were easy to collimate . I'm still using some eyepieces from the 70s , one day I'll get an Ethos . The Autocollimator works like this : after you get the alignment close pop in the AC & whist looking through it adjust the mirror knobs till the view go's dark , it's got a reflecting surface on the inside that will cancel out all the reflections when everything is spot on giving you perfect collimation . Best little device I ever bought ''' fast & easy to use Cheers Jack [/QUOTE]
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Any astro buffs here?
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