Thread: M42 with Achromat in Narrowband
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Old 10-10-2007, 12:32 PM
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Geoff45 (Geoff)
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Join Date: Jul 2006
Location: Sydney
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This is really promising Bert. I'm surprised nobody has thought about it before (as far as I know). Why spend $$$ on an apo, when a good achro and set of filters will do the same job?
Geoff
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