Tag: New Patent

New patent: Sigma 12mm F2.8 Art

As the Japanese website hi-lows-note.blog.so-net.ne.jp reports Sigma has patented a 12mm F2.8 Art – a full frame compatible ultra-wide angle lens. According to the released image, which you can see above, the optical design of the lens consists of seventeen elements, which is quite a lot for a prime lens. What is important to note, ...