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  1. #1
    Passero's Avatar
    Passero Guest

    Default largest telescope on a EQ3-2 mount?



    For now i have a EQ3-2 mount with both axis driven and a 90mm refractor. I'm
    just a poor student so i don't have a lot of money and i'm wondering what
    telescope would fit on my mount so i won't have to buy a new mount? I
    doesn't have to be a refractor because they are expensive. Is it really less
    expensive to buy a telescope without mount and eyepieces or not? What would
    you recommend?
    Let me tell you again that i don't have a big budget like some others....
    Let's say about 600$.



  2. #2
    Chuck's Avatar
    Chuck Guest

    Default largest telescope on a EQ3-2 mount?

    Don't know where you're located but you might be able to find a nice used
    Intes MN56, Mak/Newt (first choice), M503 Mak/Cassegrain, or Celestron C5 on
    Astromart to fit within your budget.
    --

    Clear Skies,

    Chuck

    "Passero" <bla@bla.bla> wrote in message
    news:UAGVc.221099$8o7.10891321@phobos.telenet-ops.be...
    I'm
    less
    would



  3. #3
    Jon Isaacs's Avatar
    Jon Isaacs Guest

    Default largest telescope on a EQ3-2 mount?

    >> For now i have a EQ3-2 mount with both axis driven and a 90mm refractor.

    I have an EQ-3 mount, if the EQ-3-2 mount is similar, then I will probably
    handle one of the 6 inch F5 Synta Newtonians. Based on the performance of my 5
    inch F5 Synta Newtonian and the 8 and 10 inchers, the 6 inch should be quite
    good.

    I see the OTA on www.astromart.com quite often for around $150.

    jon


  4. #4
    Gaz's Avatar
    Gaz Guest

    Default largest telescope on a EQ3-2 mount?

    hi,

    I don't know about the biggest, but I've got a 120mm f6 refractor on a
    EQ2/3 thats fine for visual work, I *suspect* that may be approaching
    the limit, a 150mm f6 or a 120mm f8 would be pushing it (esp the
    former) , but if somebody knows different......;O)


    Gaz

  5. #5
    Gaz's Avatar
    Gaz Guest

    Default largest telescope on a EQ3-2 mount?

    "Passero" <bla@bla.bla> wrote in message news:<UAGVc.221099


    Just a thought, you can get a 8' Dob for less than $600 and keep your
    refractor and mount, use one when you want tracking, the other for
    DSO's, the two outfits make a nice combination IMO, you'd probably
    even have change to get a bigger refractor to put on the EQ2/3. I've
    got a similar setup, a 120mm refractor on a motorized EQ mount and a
    12' Dob, the best of both worlds for astronomers on a budget (and for
    when a can't be bothered carrying the Dob to set it up)!

    Gaz

  6. #6
    Roger Hamlett's Avatar
    Roger Hamlett Guest

    Default largest telescope on a EQ3-2 mount?


    "Passero" <bla@bla.bla> wrote in message
    news:UAGVc.221099$8o7.10891321@phobos.telenet-ops.be...
    I'm
    what
    less
    would
    others....
    It is worth remembering that there are a lot of 'parts' to whether a
    particular scope will work acceptably on a given mount. For instance,
    taking four 5" scopes, a 5" refractor, an SCT, a Newtonian, and a
    Maksutov. The refractor will probably have the shortest focal length
    (longer focal length shows up the faults of a mount more), but will weigh
    perhaps twice what any of the others weigh. The Maksutov, and SCT, will be
    the lightest scopes, but the Maksutov will probably have the longest focal
    length. The SCT will typically have a fairly long focal length too. The
    Newtonian will probably (depending on the tube design), weigh slightly
    more than the SCT, but will have a shorter focal length.
    I'd look for a second hand small SCT (the C5, is an excellent little
    scope), or about a f/5 to f/6 6" Newtonian.
    Another poster has suggested the MN56. This is a lovely scope, but might
    be pushing the weight a little (it is a fairly heavy assembly). However if
    you can find somebody who has tries a scope of this weight on the mount,
    and can verify it'd be OK, this is a very nice unit.
    It is less expensive to buy just the scope 'OTA', but generally not as
    much less than the complete 'assembly' price, as the mount costs.

    Best Wishes



  7. #7
    Larry Ozarow's Avatar
    Larry Ozarow Guest

    Default largest telescope on a EQ3-2 mount?

    By way of an upper bound, I can say from experience
    that a 6" F8 reflector is just too much. I used an Orion
    6LT on a CG4 (=EQ3) for about 6 months and it was a
    difficult experience.

    Larry


    Passero wrote:

 

 

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