Group Information- Members: 348
- Category: Telescopes
- Founded: Nov 29, 2006
- Language: English
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Description
A group dedicated to the Roddier test for evaluating telescope optics.
The "files" area has results for different telescopes and a Cookbook to help you test your own optics.
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Re: Is Anybody Out There?
... Dr. Biretta - it's wonderful to hear from you again and know you are still around. We can surmise what's been happening in your world since the Hubble
Posted - Sat Nov 21, 2009 5:23 pm
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Marshall
m_hollimon
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Re: Is Anybody Out There?
Chris, I made some efforts along the lines of your item (1) some years ago using Aberrator. The primary issue is that Aberrator does not seem to have linear
Posted - Sat Nov 21, 2009 3:01 am
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zeissnut
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Re: Is Anybody Out There?
Hi Mick, I'm still here lurking in the shadows. Maybe I'll have more time for it in coming weeks. I don't have any insights yet to the apparent contradictory
Posted - Sat Nov 21, 2009 2:25 am
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zeissnut
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Re: Is Anybody Out There?
Yes, still here, thinking about, but no results on the following: 1)Testing Roddier with computer generated data, an extended Aberrator of some kind. Still
Posted - Fri Nov 20, 2009 10:28 pm
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Chris
chrisn999
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Re: Roddier Operation
... Bron - the 0.001 inch runout I measured on my focuser (JMI NGF-DX2) was reasonably linear and progressive, meaning that the sideways motion over an 8 mm
Posted - Tue Nov 17, 2009 7:08 pm
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Marshall
m_hollimon
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