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  1. #1
    drleb84's Avatar
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    Cool Found a Meade telescope, have questions. :) Please help!



    Hi there AF members!

    I am the fortunate discoverer/inherit(er) of a Meade telescope (found in my garage) and I need some help! After poking around the internet for a bit, I believe what I have is a Maksutov–Cassegrain design. Though I've been to a few star parties in the past, this is my first time actually holding a telescope and manipulating the individual components. As such, I have a few questions that I'd love answered, as I would like to use the telescope in the near and distant future, both for viewing the impending solar eclipse as well as general nighttime planetary viewing.

    Questions:
    1. Would anyone kindly tell me exactly what kind, and model if possible, of telescope I have? I've attached pictures.
    2. Looking at the various adaptors etc., I believe that I'm missing at least one adaptor part, which should connect to the main body of the telescope. Do you agree? If so, what part do I need? How do I find the correctly fitting part?
    3. There are quite a few dirt particles inside the telescope. It appears I can take it apart. Do you recommend doing so to clean the scope? I am confident in my ability to safely take apart and put back together any number of things, as well as my ability to use microfiber to clean glass (I have several years of photography experience), but I don't want to disturb the alignment of the reflectors...

    THANK YOU in advance for any help you may be able to provide!

    Cheers,
    Dylan

    IMG_3306.JPGIMG_3307.JPGIMG_3308.JPGIMG_3309.JPG

  2. #2
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    Default Re: Found a Meade telescope, have questions. :) Please help!

    You're missing the 1.25" visual back.
    https://www.astronomics.com/meade-1-...ack_p4315.aspx

    Scott
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    Default Re: Found a Meade telescope, have questions. :) Please help!

    You are missing the visual back, but this is the smaller 90mm Mak, not the SCT version and I do not believe the SCT visual back will fit. The C90 or the ETX90 visual back MAY fit, I'm not sure about this. I don't have one, maybe someone else here on the forum has one and can help.

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    ACF 8"SCT,
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    Default Re: Found a Meade telescope, have questions. :) Please help!

    Thank you both! I played around with things yesterday, and am happy to report I was able to set everything up without the visual back. (Given my very new interest in this field, I would prefer not to have to spend money just yet...)

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    Default Re: Found a Meade telescope, have questions. :) Please help!

    Quote Originally Posted by drleb84 View Post
    Thank you both! I played around with things yesterday, and am happy to report I was able to set everything up without the visual back. (Given my very new interest in this field, I would prefer not to have to spend money just yet...)
    This is hopefully really exciting for you!
    Can you post a picture of it all set up? I am wondering if the accessory in the top right of the last (4th pic) over that you posted is some sort of visual back. (Unless that is a Barlow lens)
    Did you take it apart? I am not sure if that is a great idea, since if it disturbs the collimation (mirror alignments), that can be tough to fix in a Mak-Cas.

    If you are thinking of upgrading this telescope, you will need to find some kind of tripod to mount it.
    You may also want to upgrade those eyepieces, because they look pretty simple. They are probably not going to give the best views. There are relatively cheap eyepieces readily available called Plössl eyepiece. What you have are MA, stands for modified achromat, a variation on the Kellner. These have a narrow field of view and probably not the best coatings.

    With a good set of eyepieces and a decent mount, this 90 mm f/11 scope will give you some killer views of the moon and planets, as well as some of the bright deep sky objects (M13 in the Hercules constellation is easy to find and high in the sky this time of year).


    Congratulations on the find!

    Daniel

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    Default Re: Found a Meade telescope, have questions. :) Please help!


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    Default Re: Found a Meade telescope, have questions. :) Please help!

    Check with Telescope Warehouse Telescope Warehouse or Astro Parts Outlet to see if they have the original part. Astro Parts Outlet
    If you do take it apart mark the corrector plate to make sure it goes back in the right/ same spot.
    Nice scope either way.
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