How do I clean my telescope objective lens?
Saturday, November 27th, 2010 at
9:43 am
My Schmidt-Cassegrain objective lens has accumulated a lot of dust and unfortunately someone got fingerprints on it. How do I properly clean it without scratching the lens. The scope is a Celestron NexStar 8se.
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US $18.99
In a word: DON’T! There are many more dangers involved in cleaning telescope optics than the side effects of leaving them dirty. Cleaning the corrector plate in a Schmidt-Cassegrain is particularly difficult because it will require disassembly of the telescope followed by reassembly with the corrector in _exactly_ the same orientation as before. This is something I would leave to a professional.The safest thing would be to return it to Celestron for cleaning.