Subminiature Foucault knife-edge tester

Subminiature Foucault knife-edge tester

Subminiature Foucault knife-edge tester, plus box of two illuminated knife edges

Edmund Scientific Foucault Knife-Edge Optical Mirror Tester and Light Housing

3D Printed Knife Edge Tester and Mirror Stand. (WIP) : r/functionalprint

Understanding Foucault - The ATMs Workshop

Looking for advice for building Foucault tester - ATM, Optics and DIY Forum - Cloudy Nights

Understanding Foucault - The ATMs Workshop

Foucault Knife Edge Test

Pushing the limits of the Foucault Test - Document - Gale Academic OneFile

Berthold Hamburger's Homepage/Foucault Tester

Foucault (Knife-Edge) Test

Berthold Hamburger's Homepage/Foucault Tester

Foucault Knife-Edge Test - How to build / Tutorial

Stellafane ATM: Build a Tester Page 1

Understanding Foucault - The ATMs Workshop

Foucault tester - ATM, Optics and DIY Forum - Cloudy Nights