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  1. #1
    david m's Avatar
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    Default Upgrading XT10 Focuser



    I read a topic on upgrading your telescope focuser. I have an ORION XT10 and when i try to align the optics they have play in them, which makes it almost impossible to get them properly aligned

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    Default

    Are you saying when you turn the focus knobs on the focuser, and you're looking through the eyepiece as you focus you're seeing image shift I have the XT12i and have seen image shift when focusing, it kinda bothers me, but it's not high on my repair list.

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    david m's Avatar
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    Default

    No. When i use my laser collimator to align the mirrors. Once they seem to be aligned i can just grab the focuser and see the laser move out of alignment.

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    Default

    a crayford would be a nice upgrade, if your not plnning on photo, you could probably get one for $150-200

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    Default

    When I collimate the XT12, the focuser is all the way in.

    And yes if you move the focuser out you will see the Laser beam move out of the center ring on the primary.

    Check to be sure the screws holing the focuser are tight.

    The focuser on the XT's have some slop in them.

    But the first thing I did was collimate the Laser collimator to be sure the beam of the Laser was not out of alignment.

    To collimate the laser I purchased a collimating kit on ebay, link below.

    I have a line scratched on the focuser and the 1.25" adapter, and also the Laser collimator.

    I line all three lines up when using the Laser collimator to be sure it is always the same each time I use it.

    I can post some links to replacement focuser's for the XT series, but they are not cheap.



    Focusers for orion XT's.

    Http://home.comcast.net/~wyorock/wyorock.html http://www.focuser.com/cgi-bin/dman....cgi&category=2 ScopeStuff

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    Default

    If your looking to replace your focuser check in to Moonlight Telescope. I have one on my XT10 and its direct replacement so you don't have to drill any holes. The focuser is rock solid and very smooth. I gave up trying to adjust the stock focuer.

    .Hows are those ball castors treating you

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    I just got a feathertouch 2 stage focuser all I have to say is sweeeet. The machining on it is amazing.

  8. The Following 2 Users Say Thank You to panhard For This Useful Post:

    admin (01-28-2009),MarkM (06-08-2009)

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    Default

    I am all set on a focuser as I have Moonlite CR2. As for collimators I just received my Hotech SCA laser colimator which should do me for awhile until I need to check the diagonal again. For that I understand a catseye type with a sight tube is better. I tried to follow phillip d's links above but they were invalid, if this is not considered thread crapping, I am interested in recommendations for collimators. If you are seeking a laser one, the Hotech got a great review on CN and experienced ATMOB club members also highly recommend it. I got the 2" one, but the 1.25" is only about $80.
    Last edited by TambourineMan; 01-28-2009 at 12:37 PM.

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    Default XT 10 Focuser Upgrade

    Which focuser did you get for the XT 10? What length drawtube and how does it fit?

    I'm looking to upgrade mine to something with less slop and better fine focus ability.

    Thanks,
    JJ

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    jj: The 2 best focusers are Moonlight and the Feathertouch. The Feathertouch is a tad better. The moonlight is no slouch either. Both are fine focusers, and work very well. The 2 stage model of either is what you want. When ordering the Feathertouch you also have to order an adapter. Then the focuser fits on the original base. It takes 10 minutes to install. If you would like I will look up the exact model # for you. Welcome to the forum.

 

 
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