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  1. #1
    John Whisenhunt's Avatar
    John Whisenhunt Guest

    Default First Light: Meade 12 in LX-90



    After 4 wonderful years with the classic 8 inch Meade SCT, I took delivery
    of a new 12 inch LX-90. I didn't need the advanced features of the LX-200,
    as I do very limited imaging. The 90 is a good solid design, so I decided
    to see how well it upsizes.

    Only three issues of note, thus far:

    1) Yes, it's a large tube alright. The big tube on the same mounting base
    and tripod is pushing stability. Very wiggly compared to the 8, as expected.
    Takes about 2 seconds to dampen. Anti-vibration pads for the tripod feet are
    a must.

    2) The LNT (meade's proprietary Level North technology) module was damaged
    (plastic housing cracked in two). I don't know why Meade chose to mount it,
    and nothing else, on the tube body during shipment. My dealer called Meade
    and an entire module replacement is coming. I've never used LNT before, and
    have no idea if it is really a useful feature or not. Are a compass and
    Polaris out of style?

    3) The long threaded tripod mounting bolt has a factory replacement. The
    early models shipped with a bolt that is too long to firmly hold the scope,
    as it hits the base's internal stop first. My dealer had the replacement.
    Alternative is to add a nut or two down near the knob end to take up the
    length.

    Scope was in good collimation from the box, and went together quickly just
    like the 8 inch. Autostar performed perfectly on objects from
    zenith to horizon, and go-tos and tracking were accurate at high mags in a
    14mm Plossl. Worked great with the f/6.3 focal reducer/corrector, and the
    binoviewer - though not surprisingly, I couldn't reach focus using both at
    the same time.

    The aperature jump provided the expected increase in apparent brightness and
    increased level of detail on the usual target objects. Went through a quick
    list of favorites: nebulae (Triffid, Ring, Lagoon), globulars (M13 and M22),
    and planets (Uranus, Mars).

    Other than the size, and some notable wiggle, it behaves just like the
    original. So far, I'm right at home with this upgrade.

    -- JW

    Whizzospace.com




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  2. #2
    Jeffk1965's Avatar
    Jeffk1965 Guest

    Default First Light: Meade 12 in LX-90

    Do you know what your 12" LX90 weighs?

    jeff


    John Whisenhunt wrote:


  3. #3
    Greedy Shark's Avatar
    Greedy Shark Guest

    Default First Light: Meade 12 in LX-90


    John Whisenhunt wrote:


    Hi John,
    Is the tripod the standard issue 8 and 10" version or is it the giant
    version (standard with the current 12" LX200)?

    Thanks,
    Charles


  4. #4
    John Whisenhunt's Avatar
    John Whisenhunt Guest

    Default First Light: Meade 12 in LX-90


    "Jeffk1965" <jeffk1965@earthlink.net> wrote in message
    news:1129230879.509649.282570@g43g2000cwa.googlegr oups.com...

    55 lbs for the tube, with standard accessories attached, and 30 for the
    tripod. 80-85 lbs total. A good 25-30 more than the 8 inch. I can still
    lift and move from the garage to the driveway, just more slowly.

    JW



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  5. #5
    John Whisenhunt's Avatar
    John Whisenhunt Guest

    Default First Light: Meade 12 in LX-90


    "Greedy Shark" <greedyshark@yahoo.com> wrote in message
    news:1129234203.718168.47910@f14g2000cwb.googlegro ups.com...


    Charles,

    Yes, standard issue: it is the same tripod and base as the 8 inch. I stood
    both side by side, and even measured the base diameter. Definately NOT the
    much heavier LX-200 tripod. Time will tell if it is truly undermounted.

    JW



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  6. #6
    Jan Owen's Avatar
    Jan Owen Guest

    Default First Light: Meade 12 in LX-90

    "John Whisenhunt" <whizzo@mindspring.com> wrote in message
    news:1129234850_3171@spool6-east.superfeed.net...
    stood
    the

    Well, that's an excellent tripod up to 10 inches (I have a 10" on one),
    but may be a bit over it's head with a 12"...

    That's helpful info, as I have been considering various options toward
    expanding upwards in aperture once again.

    THANKS!!!

    Of course, it may be entirely possible for you to upgrade to the larger
    tripod, if necessary, if the mounting plates are the same...

    --
    Jan Owen

    To reach me directly, remove the Z, if one appears in my e-mail address...
    Latitude: 33.662
    Longitude: -112.3272

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  7. #7
    John Whisenhunt's Avatar
    John Whisenhunt Guest

    Default First Light: Meade 12 in LX-90

    Images and additional comments, if you'd care to look.

    http://whizzospace.com/astro/astro1a.htm

    -- JW



  8. #8
    wdop8@aol.com's Avatar
    wdop8@aol.com Guest

    Default First Light: Meade 12 in LX-90

    John,
    Thanks for the review of the 12" lx90. I am a new owner of the 10",
    and I really enjoy it. I agree it is not as stable as the lx200, but I
    love the fact that it weighs less. It is much easier to carry the
    lx90.


  9. #9
    Ray Porter's Avatar
    Ray Porter Guest

    Default First Light: Meade 12 in LX-90

    Nice review, John. I've been a very happy owner of an 8" LX90 for several
    years but the new, larger aperture models are very tempting. Wonder if I
    can persuade my wife that I need another telescope? ;-)

    Ray Porter

    "John Whisenhunt" <whizzo@mindspring.com> wrote in message
    news:1129225815_2709@spool6-east.superfeed.net...
    expected.
    are
    it,
    and
    scope,
    and
    quick
    M22),
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  10. #10
    Mark D's Avatar
    Mark D Guest

    Default First Light: Meade 12 in LX-90

    Hi John, Congrats on your new acquisition, and I wish you mucho
    enjoyment with it.

    I myself can imagine the large 12" SCT on the Standard Meade Tripod.
    The GFT would be a better match. This would no doubt eliminate much of
    your wobbles/shake.

    There are two different versions of the GFT that I know of. One, which
    used longer legs, and was better suited for the LX750 Head and 7"
    Refractor.

    There is a shorter leg version, which would be better suited for the 12"
    and 14" SCTs, as the range of height adjustment would be a better match
    for these fork mounted large scopes.

    You probably wouldn't have a problem selling your original tripod on
    A-Mart, and the GFT's come up for sale regularly on A-mart also.

    Many times people who purchase these larger scopes have plans of
    permanently housing them, and therefore have no need of their brand new
    Tripods

    Only downside with the GFT, is it is a heavy bugger! I myself have the
    long legged version (Got it brand new in the box from A-Mart for $450),
    and perhaps the shorter leg version which would be better suited for
    you, would be a bit more compact folded up, and also will weigh a bit
    less too.
    Just a thought, Clear skies, Mark D'Ambrosio


 

 

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