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Sigma Corporation of America, maker of lenses, digital cameras and flashes, has announced its second annual Scholarship Contest. The contest
The Sigma APO 70-200mm f/2.8 EX DG OS HSM lens announced at PMA this year is now available for purchase in Canon mounts.
Sigma Corporation has announced the release of its new 17-50mm f/2.8 EX DC OS HSM lens, first announced at PMA this year.
PMA 2010: Sigma announces DP1x and DP2s 2/22/2010
Sigma rolled out the DP1x and DP2s at PMA 2010, updates to their existing DP1 and DP2, respectively. The changes are relatively minor, with
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