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Thread: Dragonfly Telephoto Array

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    Lightbender
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    Dragonfly Telephoto Array

    Interesting article about how an astronomer's interest in nature photography and some ingenious use of standard Canon lenses, led to advancing our understanding of dark matter:
    http://www.abc.net.au/science/articl...23/4410014.htm
    Last edited by Grant S; 06-09-2016 at 3:26pm.

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