Thread: Bartinov
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Old 15-12-2019, 10:48 AM
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Sunfish (Ray)
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Sunfish is offline
Join Date: Mar 2018
Location: Wollongong
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Try here for a mask generator,

I too have one on the corrector cut out of black binder cover with a stencil knife and one on the end of the dew shield of each refractor made out of line. Each works fine at any distance.
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