Sigma official teaser for a product announcement on February 21st, 10 a.m. JST
For me this means I have to wake up early and live blog at 2am my time :( Sigma will announce those two new lenses: 500mm F5. 6 DG DN OS | Sports 15mm F1. 4 DG DN DIAGONAL FISHEYE| Art Sigma 500mm f/5. sonyalpharumors.com »
