MrTreyLynch Posted March 16, 2012 Share Posted March 16, 2012 I have the Barlow from my refractor and I defiantly can't get it to focus in my 10 inch reflector! Link to comment Share on other sites More sharing options...
paul schofield Posted March 16, 2012 Share Posted March 16, 2012 What kind of Barlow is it ? What scope is your 10' reflector ? What were you trying to focus on ? I am sure someone can help with a few more details. Link to comment Share on other sites More sharing options...
MrTreyLynch Posted March 16, 2012 Author Share Posted March 16, 2012 Generic 3G barlow and Orion 10xi Link to comment Share on other sites More sharing options...
Atlas Posted March 16, 2012 Share Posted March 16, 2012 Silly question here, are you placing an eye piece on your barlow as well? You also have to consider, if conditions aren't right for viewing, it won't focus anyways. Not because the barlow or eye piece are bad, but due to poor atmospheric conditions. Even a seemingly clear night can have poor viewing conditions. Link to comment Share on other sites More sharing options...
E621Keith Posted March 16, 2012 Share Posted March 16, 2012 Barlow extend the focal point. It is possible you reflector focuser do not have enough travel for the barlow + eyepiece. Using extension tube might help Link to comment Share on other sites More sharing options...
MrTreyLynch Posted March 17, 2012 Author Share Posted March 17, 2012 Extend the distance from Barlow to secondary mirror or eyepiece to Barlow opening? Link to comment Share on other sites More sharing options...
Cornelius Varley Posted March 17, 2012 Share Posted March 17, 2012 The extension tube should be placed between the focuser and the Barlow.Peter Link to comment Share on other sites More sharing options...
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