Sigma patents a new 14mm f/4.0 for APS-C E-mount
Sigma keeps working on new E-mount lenses. That patent discloses a 14mm f/4.0 lens made for APS-C mirrorless cameras. I hope one day Sigma will start to design lenses for the Full Frame E-mount system too!
Source: Egami. Via Mirrorlessrumors.