This 600mm FOV lens was announced this morning with an expected 2015 release date. This is still a long way off but is anyone else considering this?
http://www.dpreview.com/news/2014/0...opment-of-7-14mm-f2-8-and-300mm-f4-pro-lenses
http://www.dpreview.com/news/2014/0...opment-of-7-14mm-f2-8-and-300mm-f4-pro-lenses