Foucault knife-edge test - Wikipedia
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Parabolizing a Telescope Mirror
Simple and accurate method for determining lens focal length
Parabolizing a Telescope Mirror
Traditional Foucault apparatus influence on analysis - ATM, Optics and DIY Forum - Cloudy Nights
3D Printed Knife Edge Tester and Mirror Stand. (WIP) : r/functionalprint
Foucault test
Going parabolic: The difference between a Ronchi, Foucault, and a Caustic test
foucault Guy's Math & Astro Blog
Parabolizing a Telescope Mirror
Going parabolic: The difference between a Ronchi, Foucault, and a Caustic test
Schlieren - Wikiwand
Lecture4 < LBTI < Foswiki
Optics Guy's Math & Astro Blog
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