Sony is rumored to announce a Black and White Version of Sony RX series compact fullframe camera, the camera will feature higher frame rate than current RX 1 FF compact camera, the camera is also rumored to feature +6db S/N gain compared to the color version and resolution of 24MP.
The camera may be announced on end of 2014, and its expected price possibly will remains same as its brother (around $3000), finally the world get a better and affordable than a $10000 Leica Monochrome.
src- sonyalpharumor.com
