Foucault Test Of 400 Mm Diameter Spherical Mirror

Foucault test of 400 mm diameter spherical mirror (short video)

iPhone Foucault Telescope Mirror Tester

Foucault Test Demo

DI Hans-Heinrich Wenk

125HexFoco

Foucault test the parabolic telescope mirror

Foucault test movie

Steve Swayze Style Ronchi/Foucault tester.

Artificial Star test - Waineo Null Test

Foucault & Ronchi Tester

Polishing a Small Spherical Mirror Surface on a Glass Blank

Foucault movie of a parabolic mirror F/4.2 (200 micron movement steps, very short video)

Telescope Optics Testing

Ronchi Foucault tester stellafane style

Ronchi / Foucault Test, My HubbleOptics has a HILL!!!

Foucault Test

Foucault Test #007

Mirror Quality Part I

Testing for a Parabolic Surface

Francis OReilly

foucault fun

Testing the Mirror

Mark S. Rasmussen