Sigma 19mm f/2.8 DN "A"
(From Sigma lens literature) SIGMA 19mm F2.8 DN A | Art. This high-performance wide-angle lens has an angle of view equivalent to 38mm on the Micro Four Thirds system and 28.5mm on the E-mount system (35mm equivalent focal length). As a wide-angle lens with excellent mobility, it is ideal for casual snaps as well as indoor photography which benefits from its wide angle of view.
Sigma 19mm f/2.8 DN "A" User Reviews
10 out of 10 points and recommended by Perry Rhodan (22 reviews)Sharp, razor sharp. Prize is great, handling is great.No Sony badge ;).
Almost to good to be true. On the NEX 6 it really shines. The sharpest lens I have for the E-mount. Next will be the S30.reviewed May 15th, 2013 (purchased for $189)