Question about Bausch and Lomb Harbormaster 68-3576 (35 x 76mm) Telescope

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Assembly Drawing for Bausch and Lomb Harbormaster

Where can I get the assemble drawing for it?

I have a B&L Habormaster telescope. Someone has damaged the lens and re-assembled it. After that the image become up side down and is unclear. I have tried different combination on the lens but still can't fix the problem, so I suspect one len piece is missing.

Please help.

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Dear Hlkwan,
Please clean all lence with tisue paper.Telescope gives always up side down .If you want real image you must image erractor on the eyepaiese.
Thanks.
Dhananjay Raval

Posted on Jul 09, 2011

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Hi there,
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Good luck!

Posted on Jan 02, 2017

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http://en.wikipedia.org/wiki/File:Achromat_doublet_en.svg

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