DxOMark published their test results for Sigma 30mm F1.4 lens. Tested on the Sony A6000, the new optic achieved an excellent result overall.
The standard prime lens achieved a score of 29 points. It has become is the highest-ranked Sony E-mount lens in their database. It’s also the brightest, boasting great light transmission of 1.8 TStop thanks to its wide maximum aperture setting.
According to DxOMark test, the lens has noticeable corner shading at the maximum f/1.4 aperture setting. Chromatic aberrations are well-controlled across large parts of the frame. Although some fringing in the very far corners affected the overall score.