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koji kawakami | all galleries >> Lens Modifications >> Contax G-Biogon 21mm to M-mount conversion > MS document
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MS document

for G-Biogon 21mm modification (by MS = Miyazaki Sadayasu)
I bought this Biogon 21mm from KEH $400 without a finder,
this document says that the lens is optically in pretty good cond.

note: This modification cost was about $500 @2008.

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