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  1. #1
    castle's Avatar
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    Default Meade ETX-90 UHTC or Celestron Nexstar 4 SE



    Hi all,

    I'm beginner on astronomy and need to help for choosing a telescope.
    After some research, I have two option now:

    1. Meade ETX-90 with UHTC
    • Its used but condition is good
    • hard case
    • 26 mm eyepiece
    • tripod
    • manual hand controller


    2. Celestron Nexstar 4 SE
    • Its new
    • 26 mm eyepiece
    • tripod
    • computerized hand controller



    The both price of them are the same.

    What do you suggest? Which one is better choice?

    Thank you.

  2. #2
    andyp180's Avatar
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    Default

    personally,i would go for the celestron.
    brand new and with a warranty.a nice little scope.
    not saying the meade isn't a good scope,but the celestron
    would be my choice.slightly bigger aperature too(11.6mm).
    clear skies,
    andy

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    andy

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    revelation 20X80 bino's,camlink tp-2500 camera/bino tripod.
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    to the sky.
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  3. #3
    sxinias's Avatar
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    Default

    I agree with Andy that the Celestron NexStar 4SE is the one to purchase basically because the Meade is used and the Celestron is new. Both telescopes are good telescopes but the Celestron is slightly larger and with it you will have a new telescope and a waranty.
    SXINIAS

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  5. #4
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    Default

    Cant add to what they said. Celestron if for no other reason than the warranty. Both of them are awesome telescopes.

    Jim
    Celestron C9.25. Atlas EQG mount. Canon 500D unmodded, Celestron ST80 guide scope, SSAG, Meade 6.3 FR, Thousand Oaks dew control with Dewnot straps. Zhumell 8/24mm Zoom, 2"Gso Superview 42mm, Meade 2"QX wide angle 30MM, Meade 1.25 EP and filter set. Tasco 10x50 Zhumell 20x80 bino and a few other odds and ends.
    Now where did I put that clear sky button!

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    This one is easy.... The Celestron !!!!!
    and for the same reasons everyone stated....its new, it has a warranty plus it is bigger....win win win situation.

    Bob G
    CPC1100 housed in a slotted domed observatory (Exploradome) 4 and 5 inch refractors for use from the lawn, a 8" Sct (NS 8i) for star parties...
    I Hate the winter so I use heated Motorcycle clothing to stay warm while observing in winter
    Retired, also have 2 other hobbies
    1. tinker with older Corvettes (6 in garage)
    2. make a heck of a lot of sawdust in my wood shop.

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  8. #6
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    Default

    Thank you all for the comments, I eleminated the etx-90 option.
    Now, I have also another option

    Celestron Nexstar 127 Mak SLT
    - New
    - Maksutov-Cassegrain optic
    - 127mm 5" aperture (4SE: 102mm 4")
    - 1500 mm focal length (4 SE: 1325)
    - 25mm and 9 mm eyepieces (4SE: only 25 mm)
    - Light Gathering Power: 329x (4 SE : 212x)
    - Highest Useful Magnification: 300x (4SE: 240x)

    The price of the 127 SLT is a bit higher (+50$)

    It seems the 127 SLT has better specs,
    I can only see that 4SE has starbright XLT coating as plus but dont know what the benefits of it.

    I think I'll buy the Nexstar 127 Mak SLT if anyone tell me to stop

    Thank you.

  9. #7
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    Default

    that one is also a nice scope.
    an inch bigger aperature than the 4se.
    imo,worth the extra $50,so if that's what you've
    set your mind on,go for it.
    clear skies,
    andy

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    andy

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  11. #8
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    The 127 SLT is a good telescope to consider. With the NexStar 127 SLT you get a larger telescope than the 4SE or the ETX90. It is capable of showing you dimer objects at a higher resolution than can the 4SE and especially the ETX 90. It will also show you more details of Jupiter, Saturn, and Mars. The improvement is worth the additional $50. The SLT mount is rugged and durable. It has 4000 objects in its data base which contains most objects of interest in a 127 mm telescope and is more than enough to keep you busy for many years.

    The NexStar 4SE has a more advanced mount than does the NexStar 127 SLT. With the NexStar 4SE you get a sturdier tripod and a goto mount that can be operated as an azimuth mount (the 127 SLT is an azimuth mount) or as an equatorial mount. The 4SE mount can also control a Digital SLR camera. Theoretically, the 4SE can be put in the equatorial mode, a camera attached, and astro photographs made. In reality, this is not that practical because the exposure times required by the small aperture of the 4SE coupled with its high focal ratio (f/13) as well as to vibration and motion induced by tracking and gear meshing. These attributes make photography challenging at best. You can probably do just as well with the 127 SLT. The 4SE computer programing is more robust with 38,000 objects in its data base vs 4000 for the 127SLT. However, this is not really an advantage as most of the 38,000 objects in the 4SE data base are stars that many, perhaps most, are too faint to see with 4SE and most likely not of any interest for viewing .... more of an advertising strategy than reality. The XTL coating is an anti reflective coating that increases the efficiency of light passing through the corrector lens but not enough to make up for larger aperture of the 127 SLT.

    The ETX 90 is an older one with a tracking mount, not a goto mount. It is clearly outclassed by the new NexStar 4 SE and the NexStar 127 SLT.

    Summing up. The NexStar 127 SLT is the more capable telescope. The NexStar 4SE has the more capable mount. I'd personally go for the more capable telescope as the advanced features of the SE mount will seldom be used, if at all, and can be worked around if needed.
    SXINIAS

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  13. #9
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    Default

    Thanks for the advance explanation. My priority is more capable telescope, I want to see more details, therefor Nexstar 127 SLT will be my choice. I'm going to buy it soon.

    Thank you again.

    Ahmet KALE.

 

 

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