By image height, it looks like patent applications for APS-C lens designs:
15-70mm F2.8-4 IS
15-70mm F4 IS
15-85mm F2.8-5.6 IS
16-85mm F2.8-5.6 IS
Unfortunately all of these are the kind that requires lens-correction at the wide end. But I guess I will have to learn to live with that ...
