3rd party lens manufacturer Samyang/Rokinon are releasing a new 300mm f/6.3 lens for Sony NEX, Panasonic and Olympus micro 4/3, and Samsung NX mirrorless camera systems.  The new lens will come in black or silver and retail for $299 USD.  Look for the lens to be launched in July of this year (2013).  Check out more on their Facebook Page. (via MirrorlessRumors)