Here is the press release and some more images of the lens:
“Samyang 8mm 1:2.8 UMC Fish-eye is currently the smallest and the brightest Fish-eye lens compatible with compact cameras featuring APS-C sensor. It perfectly combines high optical value, impressive lens speed and exceptionally compact sizes.
Its sophisticated optical construction relies on the system of 10 lenses arranged in 8 groups. They include, among others, one aspherical (AS) lens and two lenses made of extra low dispersion glass (ED). This provides perfect sharpness for the entire field of view and maximum aperture of f/2.8. Obviously all surfaces of the lenses were covered with multi-layered UMC anti-reflective coatings adding to the high contrast and splendid light transmission.
Samyang 8mm 1:2.8 UMC Fish-eye will be marketed with Sony E (NEX) and Samsung NX mount. In both cases its maximum angle of view will amount to 180 degree, with the minimum focusing distance of 0.3 meters.
Release date and the expected price will be separately announced on a later date.“