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Ronchigrams from my machine made mirror

Started by Gold Mtn, 07/19/2010 12:05PM
Posted 07/19/2010 12:05PM Opening Post
I'm just finishing up my 13"f/4.5, 1" mirror. All the grinding/polishing and figuring was done on machine.

A comparative ronchi test was done and here is the ronchigram inside ROC.

Attached Image:

Gold Mtn's attachment for post 51461

Eternity is a long time to be wrong.....so accept Jesus as your Savior.
Posted 07/19/2010 12:05PM #1
And one outside ROC.

Attached Image:

Gold Mtn's attachment for post 137768

Eternity is a long time to be wrong.....so accept Jesus as your Savior.