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Sigma Corporation of America kicks off company’s 50th anniversary at WPPI 2011

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Deadline approaching for Sigma Corporation of America Scholarship applications

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Sigma Pro Lindsay Adler’s new book applies fashion concepts to wedding photography and portraits

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Sigma Corporation Chairman Michihiro Yamaki awarded prestigious golden photokina pin at CP+

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The launch of new lenses for Micro Four Thirds and E-mount camera systems

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New Product Announcement: MACRO 105mm F2.8 EX DG OS HSM

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New Product Announcement: APO 50-150mm F2.8 EX DC OS HSM

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Sigma Corporation shares pricing, availability for three updated lenses

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SIGMA Photo Pro Software 4.2.2.0 for Windows and SIGMA Photo Pro 4.2 for Macintosh download

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Sony mounts for the 85mm F1.4 start shipping in February

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