Lens rumors: Olympus working on a 500mm MFT lens, Nikon on a 12mm f/2.8 Z lens and Sony on MANY lenses :)

A couple of lens news for you:

1) Shigemi Sugimoto from Olympus told in an interview with Newsswitch that  thewy are developing a new 500mm MFT lens with 2x teleconverter
2) Nikon has patented a new 12mm f/2.8 Z lens
3) Sony said they have multiple lenses on their roadmap
4) Tamron will launch 1 new FE zoom (70-180mm f/2.8) and three FE primes in October