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Showing results for tags 'vivitar 76700'.
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Hi, a few years ago I received a telescope, a vivitar 76700. I have a 2x barlow, an erecting eyepiece, a 20mm lens and a 12.5mm lens. When I try to put it together, nothing quite fits. I can get the lens into the erecting eyepiece and the barlow into the telescope, but I cannot fit the erecting eyepiece either directly into the telescope or the barlow - it's too small and therefore doesn't perfectly line up which is preventing me from seeing anything. Am I missing any pieces? Am I doing something stupid? Any help appreciated