On August 11, we reported that Opteka (which, according to wikipedia is a rebranded Samyang) will announce five new lenses designed for mirrorless system cameras (Fuji X included).
Now we know, that the first lens will be the Opteka 6.5mm f/2 HD Multi-Coated Circular Fisheye Lens.
Features:
6 elements in 5 groups
9 aperture blades
1.9” (0.05m) minimum focus distance
via mirrorlessrumors