According to the canonrumors, the new Canon EF 100-400mm f/4.5-5.6L IS II USM Lens will be announced in November, 2014. With this lens, you can turn your circular polarize easily if you need to.
Olympus has announced 4 new micro four thirds lenses in 2014: Olympus 9mm F8 Fish-Eye Body Cap Lens; M.Zuiko Digital 25mm F1.8 Lens; M.Zuiko Digital ED 14-42mm F3.5-5.6 EZ Lens; M.Zuiko Digital ED 40-150mm F2.8 Pro Lens.
Olympus 9mm F8 Fish-Eye Body Cap Lens was announced in Jan 2014. It is a simple super-wide-angle fisheye lens contained within a body cap. Here are several sample images of Olympus 9mm F8 Fish-eye Body Cap Lens.