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New Foucault + Ronchi Tester (Astro Khan) View |
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Ronchi and Foucault Tests on the 20 (GordonWaite) View |
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First foucault testing (Bill Wheaton) View |
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Testing The Telescope Collimation Using Ronchi Eyepiece (superlinux) View |
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Understanding Ronchi Test - English (Astro Khan) View |
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How I align my Foucault Tester and Mirror (Carlos Paris) View |
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Ronchi Test Setup (Astro Khan) View |
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Foucault shadow image analysing (Forest'S) View |
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Testing for a Parabolic Surface (Francis OReilly) View |
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testing a 8in f6 gso telescope mirror (Pinbout) View |