Thread: Filter Parfocal question.
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  #12  
Old 26-01-2009, 07:44 PM
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Merlin66 (Ken)
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Merlin66 is offline 		 
Join Date: Oct 2005
Location: Junortoun Vic
Posts: 8,927
Good catch!
I'll do a plot based on Peter's written description; pity he didn't give the graphs!
BTW the secondary link to Astrodon seems to be dead?
I've emailed Mark to see if he can help.
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