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The 460mm f/0.89 Refractor
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19-06-2015, 12:06 PM
Octane
(Humayun)
IIS Member #671
Join Date: Dec 2005
Location: Canberra
Posts: 11,159
My understanding was that the L-series fluorite lenses are made by the same lens manufacturer as Takahashi's.
H
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