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Thread: Meade LX90 Help

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    Default Meade LX90 Help



    Hi All,
    New to Astronomy and I finally found what I believed to be a really good buy from looking around at what is for sale used, So I picked up this Meade LX90 UHTC 8" F10, standard spotting scope, with heavy field tripod, autostar and the full set of I think series 5000 eyepieces for $500?

    Everything appears to be in really outstanding condition, optics really clean, little surface rust on the tripod legs which a little autosol fixed right up, some of the eyepieces where still sealed in plastic bags!

    Is there any special requirement when attaching the Scope and forks to the tripod ( alignment wise ) as after reading the manuals there is nothing obvious or is it just plonk it on and tighten as I am struggling with the whole auto alignment thing but I have had only one clear night since I picked it up...doh, sure once I get a few in a row I will work it out.

    What would you recommend as an upgrade, I have heard that the standard diagonal is not much chop would this be the best bang for buck upgrade? I was looking at the Baader planetarium T2 prism as an upgrade after doing some extensive reading of reviews ect, I have not figured out the whole thing between going to a 2" vs the standard 1.25" diagonal is their any benefit for the extra $$$?

    Thanks Gordo.
    craigwithers likes this.

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    Default Re: Meade LX90 Help

    Congrats on the scope!!

    There is nothing special you need to do to attach the scope to the tripod. To begin the alignment process, you MAY need to have the scope tube horizontal (level) and pointing North, some models do not even need this, but the tripod does need to be level.

    I would skip on the Baader prism diagonal for the scope and get a 2" dielectric diagonal for the scope. The prism diagonal works better in a long refractor, a mirror diagonal works better in a reflector like the SCT.

    https://agenaastro.com/gso-2-90-99-d...-diagonal.html

    The accessory I would want the most is a focal reducer to greatly widen the view.

    https://agenaastro.com/celestron-f6-...tor-94175.html

    Concerning customer reviews, I wouldn't waste my time with them. Mostly they are a selling ploy hand picked by the vendors and are usually made by inexperienced users with no basis for comparison. Although I have several years of observing experience and owned and have owned many instruments, I always ask here from experienced users about any prospective purchase I need accurate information on before I buy.

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    Default Re: Meade LX90 Help

    ghukko didn't say when his telescope was manufactured, but I gather if it was 2008 or later it has ACF (Advanced Coma Free) optics. If that's the case, my understanding is that he wants a reducer only and not a reducer/corrector. I have a new 10" LX-90 ACF on order and I've been trying to figure out what reducer to get. It looks like the Celestron reducer is also a corrector so it may not work out.

    I have found this: https://optcorp.com/products/antares...-focal-reducer. I'm wondering if that might be a better choice?

    All I know is what I've read; I haven't had a chance yet to test any of this.

 

 

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