Thread: Why not use Achro for Astrophotography?
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Old 16-10-2011, 11:29 AM
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Terry B
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Terry B is offline 		 
Join Date: Mar 2006
Location: Armidale
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I tried photographing through my 120mm achro that was my old guide scope. I found that I couldn't focus the blue image at all without a big halo.
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