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    Default TMB Owners--Important Advisory



    I recently bought a TMB 8mm Planetary eyepiece in April. Great eyepiece, but last night it had a rattle. I knew what that meant. Turns out, it was something I could fix easily. For me, it was the lens cell that is screwed in at the bottom, up in the barrel of the eyepiece. The cell is barrel-shaped itself, and protrudes so that I could grip it with my fingernails enough to turn it, many times, I must say, before it stopped.

    I thought it best to advise anyone who has bought one lately to check theirs as well. This is in no way meant derogotorially toward TMB. I believe we all agree to the quality of their products. My hat is off to Thomas M. Back, his family, and crew. Things happen sometimes for anyone, so let's just check things when they do.

    Clear skies, all.

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    roverich (05-09-2009)

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    Default

    Thanks for the heads up jack . It probably happened during rough shipping , while somehing might be packed properly if the package is handled roughly it could have become loose .... Just a possibility ...
    16in Night sky
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    F4.5 , 90mm refractor 500mm FL , 7in
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    classic Big-mac , Meade eye pieces with a few odd balls thrown in ...
    If you cant stand behind the american soldier ,
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    Please stand in front of one ...

  4. #3
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    Default

    ... thanks for the "Heads Up" Jack ... as I am seriously eyeballing an Orion Short Tube 90mm right now (and deliberately thinking about adding a set of these to a dedicated case for said short tube) for my new/replacement "Grab-n-Go" rig ...

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    Bill - "Recreational 'Stronomer" and "Astro-Junk User" ... EGO lego , proinde EGO operor ...

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  5. #4
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    Default

    Quote Originally Posted by FatherGuse View Post
    ... thanks for the "Heads Up" Jack ... as I am seriously eyeballing an Orion Short Tube 90mm right now (and deliberately thinking about adding a set of these to a dedicated case for said short tube) for my new/replacement "Grab-n-Go" rig ...
    Bill, what is a "Short Tube 90mm?" Do you mean 80mm? If so, get the OTA only (plus tube rings), for $120 (plus around $20), and then get an EQ-2 for it separately. It's much sturdier than the EQ-1. You may have to make a bar to mount it with since the on e that comes with the EQ-2 is wide and doesn't allow for sliding the tube for balancing. Coupla bucks for a piece of aluminum flat stock, that's all, and drill holes where you want them. My rig weighs 23 lbs., loaded, including an extra weight bar I made for the declination axis. Everybody should have one of these scopes, IMO.

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    ... Orion doesn't make them anymore ... but they did make a Short Tube 90mm f/5.6 ... conveniently enough call an ST90 ... lol ... their about as easy to find as the Cometron ...

    ... I think I might try to get one for use as a spotting scope (to replace the 12x80 Antares) and as a Grab-n-Go as well ... would be fun to play with at the least ...

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    Bill - "Recreational 'Stronomer" and "Astro-Junk User" ... EGO lego , proinde EGO operor ...

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  7. #6
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    Default

    Quote Originally Posted by FatherGuse View Post
    ... Orion doesn't make them anymore ... but they did make a Short Tube 90mm f/5.6 ... conveniently enough call an ST90 ... lol ... their about as easy to find as the Cometron ...

    ... I think I might try to get one for use as a spotting scope (to replace the 12x80 Antares) and as a Grab-n-Go as well ... would be fun to play with at the least ...
    Oh, ok. Gotcha. If ya find two, lemme know.

 

 

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