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i am with you on this Dennis, i think this method looks far better then the Hartman mask with diffraction gratings. I downloaded the files off cloudy nights but do not have Corel draw. might have a go at a CAD drawing of this and send it to a CAD/Cam cutter to make it up for the 8" vixen, the 127ED and the 8" SCT and the ED80, oh and the 10" lx200R.
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