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October 14, 2010 13:14 ET | Source: Sigma Corporation of America

Sigma Corporation of America Announces US Pricing, Availability of 85mm F1.4 EX DG HSM Lens

RONKONKOMA, NY--(Marketwire - October 14, 2010) - Sigma Corporation of America (www.sigmaphoto.com), a leading researcher, developer, manufacturer and service provider of some of the world's...
April 23, 2010 14:51 ET | Source: Sigma Corporation of America

Sigma Corporation of America's New 8-16mm F4.5-5.6 DC HSM Lens Now Available

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...
June 18, 2009 15:51 ET | Source: Sigma Corporation of America

Sigma Corporation Unveils First-Ever Optically Stabilized Lens for Pentax and Sony Digital Cameras

RONKONKOMA, NY--(Marketwire - June 18, 2009) - Sigma Corporation (www.sigmaphoto.com), a leading researcher, developer, manufacturer and service provider for some of the world's most impressive lines...
May 20, 2009 10:03 ET | Source: Sigma Corporation of America

DP2 High-Definition Digital Camera Now Available Through All US Sigma Authorized Dealers

RONKONKOMA, NY--(Marketwire - May 20, 2009) - Sigma Corporation of America (www.sigmaphoto.com), a leading researcher, developer, manufacturer and service provider for some of the world's most...