Samyang 14mm f/2.8 ED AS IF UMC - Sample Images
Info and Reviews:
It is also sold under a number of different brands such as Walimex, Rokinon, Vivitar and Bower.
Optical design: 14 elements in 10 groups (2 glass aspherical element 2 hybrid aspherical element)
Lens mount: Canon EF, Nikon F (FX), Four Thirds, Pentax KAF, Sony/Minolta Alpha, Sony E (NEX), Samsung NX
Covers: Full-frame (24×36mm)