This is bit un-confirmed rumor but according to the trusted sources of SAR.com, Sony is currently working on a new Fullframe mirrorless camera with having a Bayer sensor of 46 Megapixels, the most important thing here is use of traditional Bayer sensor and not a multilayer sensor.
Take a look at the rumored specification below
– 46 Megapixel Bayer sensor
– 4 fps
– 100-25,600 ISO (extended 50 and 51,200)
– weather sealed body
– 4K output (no internal 4K recording)
– Price yet not final but around to $3,000
We may see the Sony A9 camera soon, the expected date of arrival in February 2015.