I read some where about the need of having to know the thickness of the spacers used on an etalon. As I have only one broken etalon of a Ha PST I measured the two spacers left on it.
using the mikroscope I find ~200 µm, using a JKA-feintaster I get an average of 204 µm
hope that helps a little
PST etalon spacer
- swisswalter
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PST etalon spacer
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- marktownley
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Re: PST etalon spacer
Informative as always Walter, thanks
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Re: PST etalon spacer
Hi Walter,
Thank you very much for such an information. Very important!
Valery.
Thank you very much for such an information. Very important!
Valery.
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Re: PST etalon spacer
Hi Mark, Hi VAlery
thank you very much, you are welcome. It is always interesting to look deeper into those things
thank you very much, you are welcome. It is always interesting to look deeper into those things
Only stardust in the wind, some fine and some less fine scopes, filters and adapters as well. Switzerland 47 N, 9 E, in the heart of EUROPE
from 7 am - 7 pm http://www.nanosys.ch
from 7.01 pm - 6.59 am http://www.wastronomiko.com some times vice versa
from 7 am - 7 pm http://www.nanosys.ch
from 7.01 pm - 6.59 am http://www.wastronomiko.com some times vice versa