Ally8446 Posted April 2, 2012 Share Posted April 2, 2012 Would anyone know if my AM130 f/5 is more suited to a standard or shorty barlow ? Thanks folks. Ally Link to comment Share on other sites More sharing options...
rwilkey Posted April 2, 2012 Share Posted April 2, 2012 Won't make a lot of difference, all down to preference really, I would prefer the shorty personally as the optical train would not stand out as much. Link to comment Share on other sites More sharing options...
E621Keith Posted April 2, 2012 Share Posted April 2, 2012 I think there may be some problem with the focuser depending on the barlow design. If the barlow extend the focal point too far out, then he will need a extension tube to reach focus. Link to comment Share on other sites More sharing options...
rwilkey Posted April 2, 2012 Share Posted April 2, 2012 Not heard of any such problem with Barlows? The focal point is usually at the same plain as an eyepiece, just extends the eye relief as far as I know. Link to comment Share on other sites More sharing options...
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