Samyang 135mm f/2 ED 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: 11 elements in 7 groups
Lens mount: Canon EF, Nikon F (AE), Sony A, Sony E mount, Pentax K, Fujifilm X, Canon M, Samsung NX, Four Thirds and MFT
Covers: Full-frame (24×36mm)