Sigma 20mm f/2, 24mm f/2, and 28mm f/2 Patents Found

Sigma has filed new patents for three different lenses with f/2 aperture size. These lenses are Sigma 20mm f/2, 24mm f/2, and 28mm f/2 Lenses for Sony E-mount¬†full frame mirrorless cameras. Continue reading “Sigma 20mm f/2, 24mm f/2, and 28mm f/2 Patents Found”