Opteka (which, according to wikipedia is a rebranded Samyang) announced that they will launch five new lenses designed for mirrorless system cameras.
Press Text:
Five new Opteka mirrorless lenses are currently in production. Each lens will be available in Sony E-mount, Fuji X-mount, Olympus and Panasonic Micro Four Thirds, Canon EOS-M mount, and Nikon CX mount. Further details will be provided after our final micron-level quality control checks have been completed.
via mirrorlessrumors