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Title: Lens Genealogy Post by: KeithB on October 11, 2011, 12:06:00 PM Here is a good article on how most of todays lens designs were based on older ones:
http://www.lensrentals.com/blog/2011/08/lens-geneology-part-1 http://www.lensrentals.com/blog/2011/09/lens-genealogy-part-2 |