AP160EDF ronchi test

Started by echan1127, 08/23/2005 04:26PM
Posted 08/23/2005 04:26PM Opening Post
Found this on the refractor forum. From a Japanese website testing all sorts of scopes. Looks nice yes?

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echan1127's attachment for post 26302
Posted 08/23/2005 07:29PM #1
What does this mean? How does one interpret a Ronchi-gram?
Posted 10/07/2005 06:11PM #2
Can anyone post the address to the fourm. I would love to look at all those undetectable blems on the telescopes smile Thanks Bill