According to PhotoRumors, they posted a Sony teaser about a new camera could be named Sony Alpha a5, this teaser is from Chinese website, the source says this will be a new full frame interchangeable lens camera from Sony.
Sony Alpha A5
Sony New Full Frame Mirrorless to be Announced Soon !
According to Indonesian Communication Agency, Sony registered a new camera in Indonesia. The name is Sony WW808162, which is similar to Sony A7 series full frame mirrorless cameras.
Rumors: Sony A5 Cheap Full Frame E-mount Mirrorless for $799 !
Currently, Sony has A7 series full frame e-mount mirrorless cameras available on the market. Along with rumored high-end Sony A9 series FF mirrorless, it is also rumored Sony will announce a very cheap full frame E-mount mirrorless camera: Sony A5.