Barlow problems
I got the 2" 2x andrews barlow from andrews comm yesterday. When I put it in though it gets blocked by the focuser and a fair chunk of the silver tube is still showing. When I was viewing Jupiter last night with the barlow and 25mm EP (96x), the image was decent but there was a sort of a spherical jupiter-sized haze slightly off center of the planet which ruined it. With the 10mm EP without the barlow (120x) the image was much sharper. The pics below hopefully demonstrate what I'm trying to say. Is the barlow not fitting properly the problem or is it something else?
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