Thread: plastic barlows
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Old 30-05-2006, 11:27 AM
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robagar
lost in Calabi-Yau space

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Join Date: Dec 2005
Location: Cairns
Posts: 161
plastic barlows
Is it true that some cheap 3x barlows have plastic lenses? I can't believe it, but the person that told me was adamant.
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