PMA 2010: Sigma SD15 DSLR update preview video: It’s been a long time in production, but we can bring further details of the Sigma SD15 DSLR. After around 16 months since its initial launch, the current version showcases a 14MP Foveon X3 sensor, True II processing as per the DP1x and DP2s also announced at the show, a large 3in 460K-dot LCD, 21 shot raw buffer at 3fps and ISO 1600 extenbdable to ISO 3200. No exact release date as yet, but we expect the Sigma SD15 to hit the shops soon enough.