http://egami.blog.so-net.ne.jp/2012-10-05
(in Japanese, Excite English Translation Here.)
Via Photo Rumors.
This new patent has just been published yesterday. Do note that it is specified that the "Image Height Y = 21.64mm", which simply tells that it is not a 135 Full Frame lens for the image circle, despite that the focal range is really common for many of those Full Frame F2.8 tele-zoom
