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Nice one Mike. It'll be interesting to see the results. My type 11B astronomiks are fairly low reflection to start with but I do see the odd reflection halo around bright stars.
I take it the filters came with spacers so they fit in the CFW 5/7?
I finally got some spacers from Gerd for the 50mm square filters I use and they are very good actually. I am sure the spacers themselves cut down on reflections.
Are the edges blackened? If not a bit of texta does the trick and it is well worth doing per Richard Crisp. I did my Baaders but not the Astronomiks yet.
Greg.
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