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22043Re: How to mate an SBIG STM-11000?

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  • John Lutkin
    May 3, 2012
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      I have an elderly William Yang 100/80, the focuser thread has had to be
      adapted to take the TMB flattener. I have the WO STL cone fitting and an
      STL 11000. I get flat stars to the extreme of the flat sides, a little
      distortion in the corners (about 45 pixels) and some manageable
      vignetting again at extremis in the distant corners.

      Best wishes
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