Sigma issues a note: New 30mm f/1.4 MFT lens does not correct Distortion (firmware fix coming)
Sigma Japan issued a note to warn current 30mm f/1.4 MFT lens owners that the distortion correction is not working. They will soon release a firmware to fix this.
The Sigma can be preordered at Amazon, BHphoto, Adorama, WexUK, Jessops and Calumet Germany.