Samyang 12mm F2 APS-C E-mount oficialmente anunciada
Now APS-C camera users who prefer to use autofocus lenses can easily capture vast sceneries with high resolution. Samyang's advanced AF technology is adoted to Samyang MF 12mm F2.0 which has been loved by its outstanding image quality. Thus, clear images without distortion and vignetting can be obtained through in-body image stabilization. Meet the AF 12mm F2 E equipped with new design and weather sealing feature!

Pena que é só pra Sony. Mas fiquei encucado com esse trecho aqui:
Samyang MF 12mm F2.0, one of the Samyang's bestsellers, now adopts the Autofocus system!
Claro que vão dizer que é projeto novo, mas não sei. De qualquer forma, ainda não achei o desenho da lente nova pra comparar.
Samyang 12mm F2 Sony E-mount AF:
12 Elements in 10 Groups
Special Lens H-ASP 1, ASP 1, ED 3
distância minima de foco 0,19m
Samyang 12mm F2 manual:
12 ELEMENTS IN 10 GROUPS
1 aspherical lens(AS), 1 hybrid aspherical lens (H-ASP) and 3 extra-low dispersion lenses(ED)
distância minima de foco 0,2m