Sigma Corporation's New APO 70-200mm F2.8 EX DG OS HSM Lens Now Available
02. August 2010 10:03 ET | Sigma Corporation of America
RONKONKOMA, NY--(Marketwire - August 2, 2010) - Sigma Corporation of America (www.sigmaphoto.com), a leading researcher, developer, manufacturer and service provider of some of the world's most...
Sigma Corporation's New APO 50-500mm F4.5-6.3 DG OS HSM Now on Shelves
19. März 2010 15:02 ET | Sigma Corporation of America
RONKONKOMA, NY--(Marketwire - March 19, 2010) -  Sigma Corporation (www.sigmaphoto.com), a leading researcher, developer, manufacturer and service provider of some of the world's most impressive...
Sigma Corporation of America Launches New, Interactive Community Web Site
24. Februar 2010 14:05 ET | Sigma Corporation of America
RONKONKOMA, NY--(Marketwire - February 24, 2010) - Sigma Corporation (www.sigmaphoto.com), a leading researcher, developer, manufacturer and service provider of some of the world's most impressive...
Sigma Corporation Releases Two New Lenses in 18-50mm and 50-200mm Ranges
22. Juni 2009 10:21 ET | Sigma Corporation of America
RONKONKOMA, NY--(Marketwire - June 22, 2009) - Sigma Corporation (www.sigmaphoto.com), a leading researcher, developer, manufacturer and service provider for some of the world's most impressive lines...
Sigma Corporation Unveils First-Ever Optically Stabilized Lens for Pentax and Sony Digital Cameras
18. Juni 2009 15:51 ET | Sigma Corporation of America
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...
DP2 High-Definition Digital Camera Now Available Through All US Sigma Authorized Dealers
20. Mai 2009 10:03 ET | Sigma Corporation of America
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...