Thread: Cheap 100mm Ha scope??
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Old 21-02-2008, 10:50 PM
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Merlin66 (Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
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ERF Combo
The attached transmission curves show the UV-IR (Rosco#38000) and the #25 Red combo.
Should achieve 80% transmission at the Ha, and cutoff 600-700Nm
Here's hoping............
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