Thread: Checking out Jupiter
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Old 14-01-2014, 04:40 PM
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OzStarGazer
Nerd from Outer Space

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Join Date: Nov 2013
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I am a newbie too so my knowledge is limited, but because you mention "colours" with the Barlow - is it an achromatic lens? (I think most Barlow lenses are achromatic, but I am not sure.)
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