Thread: A question about filters
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Old 09-06-2022, 02:25 PM
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pmrid (Peter)
Ageing badly.

pmrid is offline 		 
Join Date: May 2008
Location: Cloudy, light-polluted Bribie Is.
Posts: 3,680
Thanks Joel. It does help. I had the filters right about 4 to 3.
That double shadow trick is a good test.

P.
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