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A focus mask primer
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18-11-2018, 07:39 AM
rcheshire
(Rowland)
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Join Date: Apr 2010
Location: Geelong
Posts: 2,617
A focus mask primer
I found this while doing a bit of research into aperture masks. It's a nice primer about focus masks and a worthwhile read, particularly if thinking of a Bhatinov mask.
http://brayebrookobservatory.org/Bra...fer-primer.pdf
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