Mathyas Posted August 18, 2017 Share Posted August 18, 2017 Hi. I have a problem. I cant collimate my dob telescope. I allign all those laser dots but when i move it, it goes in the same place how it was before. Any tips? Can someone make a tutorial? Thanks alot. Link to comment Share on other sites More sharing options...
johnrt Posted August 18, 2017 Share Posted August 18, 2017 Freshly uploaded back to the internet! http://www.astro-baby.com/collimation/astro babys collimation guide.htm Link to comment Share on other sites More sharing options...
wookie1965 Posted August 18, 2017 Share Posted August 18, 2017 There is a YouTube video about collimation and updrade using a PTFE washer type in astronomyshed collimation shows you secondary holder with indents in that's why keeps slipping back in position. Link to comment Share on other sites More sharing options...
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