Sigma has announced that they will produce both NEX and m4/3 lenses.

19mm f/2.8 EX DN

  • m4/3 mount (2x crop), NEX mount (1.5x crop)
  • 8 elements in 6 groups, 3 aspherical
  • 50 degree angle of view m4/3 (horz)
  • apertures from f/2.8 to f/22, 7-blade diaphragm
  • no image stabilization
  • 8" (0.2m) minimum focus, autofocus, internal focus, 1:7.4 maximum magnification
  • 46mm filter size, ?? lens hood
  • 1.8" x 2.4" (45.7 x 60.6mm) long and diameter 
  • 4.9 ounces (140g)
  • available in black
  • Model number 19mmDN

Yes, this lens is available in two mounts with basically the same specifications.

30mm f/2.8 EX DN

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