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Old 31-03-2012, 12:13 PM
mercedes_sl1970
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mercedes_sl1970 is offline
 
Join Date: Mar 2006
Location: Canberra
Posts: 430
Hi

Just a query on the use of Baader film and I suspect this has come up before... However, I have never found any guidance (or probably haven't looked hard enough).

What diameter should the "filter" be, for example for a 65mm refractor? And, also for a 100mm refractor?

Thanks

Andrew
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