1. The first patent (2011-064919, permalink not possible to Japanese patent database) is from Sony for the upcoming 30mm f/2.8 NEX lens:
Here are some excerpts from the patent: “In an imaging lens system which consists of a lens system of 4 group… It is a macro lens inner focus type”.
2. Sigma filed a patent in Japan (2011-059293) for what appears to be a 18-48mm lens for NEX cameras:
Back in February Sigma announced that they will start producing E-mount lenses and showed a prototype of a 30mm f/2.8 lens for NEX cameras.






















