Thread: Filter Parfocal question.
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Old 27-02-2009, 07:09 AM
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Merlin66 (Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
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The Baader IR cuts at 700nm; not sure what the Meade does, but I'd be REALLY surprised if it cut-in close to the Ha.
Something else must be happening.............
I'll try to find a Meade Ir cut and check it with the spectroscope.
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