In addition to the AF 10mm f/2.5 MAX full-frame fisheye lens, 7Artisans also has a new AF 18mm f/2 wide-angle APS-C lens that weighs only 109g (previously reported here). Orders should open soon at the official 7Artisans online store (use code RUMORS for a discount).
Additional information on the new lens:
First pictures of the upcoming 7Artisans AF 18mm f/2, 10mm f/2.5, and 10mm f/4 lenses