Making a 33 cm f/4.8 mirror on the Mirror-o-Matic 6: polishing the surface with a pitch lap
After 'super fine' grinding, I moved on to polishing the mirror surface, with cerium oxide. I also tested with Ronchi and Foucault tester for sphericity and quality of the mirror's edge. No hooks on the end of the Ronchi lines and bright diffraction bands on both sides of the Foucault image: so no TDE
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How to Make a Pitch lap and Polish a telescope mirror!
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Hogging out a flat surface blank for a 40 cm f/4.5 mirror on the Mirror-o-Matic
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Preparing to Grind a 22" f/4.0 Telescope Mirror
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Spiegelschleifen 16Zoll F3,36
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Grinding a 25-Inch F3 Telescope Mirror: Thinning and Flattening the Back
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Coating and handling operation of an 8 meter telescope mirror at Paranal Observatory in Chile
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Making a 33 cm f4.8 mirror on the Mirror-o-Matic 9: Parabolizing 2: Parabolizing
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My Zeiss grinding and polishing machine
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Making a Monolithic Telescope Part 2: Machining Glass
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Dangerous Grindstone Installation in 1971
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How does a "first surface" mirror work? (2^15 sub special!)
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Csillagászati távcső 71 cm-es főtükör csiszolás.
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Sphere Making: A Beginner's Guide to Balling on a Budget
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How did they make this in the 1800's?!
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Polishing a Small Spherical Mirror Surface on a Glass Blank
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12.5" Dobsonian Telescope Build
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Silvering of telescope mirror | How to make reflector telescope |Step-6| Large12" telescope making
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prepping a pitch lap
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Rough Grinding a 20" Quartz Telescope Mirror on the Fixed-Post Machine
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