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Old 03-10-2005, 09:06 AM
xrekcor
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Quote:
Originally Posted by square_peg114GT
Spectral analysis on this website shows that the Lumicon is focused more narrowly on the 2 desired O-III lines than the Astronomik or Televue O-III filters.
Yeah! but look at the bleeding at either end of the spectrum. I'm no optical
technican but the Astronomiks OIII looks to be the clear winner there

regards,CS
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