Chinese Twitter Weibo has posted first several images of upcoming Mitakon 135mm f/1.4 Lens. According to the images, this lens will be available for Sony FE mount and Canon EF mount, Nikon F mount could be also available.
According to the images, the size of this Mitakon 135mm f/1.4 lens is very large. There is no other detail on this lens, stay tuned for more info.
Here are a few sample images of Mitakon 135mm f/1.4 lens, large size images available at flickr:
