Sigma Corporation of America's New 8-16mm F4.5-5.6 DC HSM Lens Now Available
April 23, 2010 14:51 ET
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Sigma Corporation of America
RONKONKOMA, NY--(Marketwire - April 23, 2010) - Sigma Corporation of America (www.sigmaphoto.com), a leading researcher, developer, manufacturer and service provider of some of the world's most...