Test Ronchi Archives - The Grattavetro

Ronchi pattern

Aug 26, 2014Bartolomei Mirco2 CommentsRonchi Testself-construction, Ronchi, tester

One of the tools needed to run the Ronchi test is the namesake grating. This is a series of opaque parallel lines spaced equally so you have a spatial frequency that can go from 4 all 8 per millimeter. A pattern with a lower frequency can be used if it is necessary to test

Introduction to Test Ronchi

Jul 21, 2014Bartolomei MircoRonchi Testoptics, Ronchi, Test

As regards the control of the optical mirror, simplest and most widely used tests, especially at the amateur level, It is definitely the Ronchi Test. This test uses a beam of light is transmitted and then reflected from the primary mirror, which is passed through a reticle with a series of low-frequency

Advanced Interpretation of test Ronchi

Jul 19, 2014Bartolomei MircoRonchi Testoptics, Test

When you run the Ronchi test, often there is found to have to do with the figures of the shadow lines that may be different from those that are usually presented to explain the most common defects in optical processing. Here you need a general method that can explain the behavior of any line