Sigma is really pushing the development of new Full Frame lenses for the Sony E and Leica L mount system. A new patent which was published today discloses the exact specs of these lenses:
- 16mm F2
- 18mm F1.8
- 18mm F2.8
- 20mm F1.8
- 24mm F1.8
- 28mm F1.8
- 35mm F1.8
via Asobinet