After Sony also Samsung decided to commit a leak suicide :)
The video you can see on top contains the picture of a new 300mm f/2.8 XF-ED lens. Certainly an intentional leak from Samsung and also not the first one (Click here to see the NX camera/lens roadmap" leak"). It's called viral marketing!
That's the lens:
Nice or not?
A reader noticed that: "the focus ring turns in the opposite direction to other NX lenses".