Sony has announced the update to their Alpha A7 full frame mirrorless camera, with the announcement of the Alpha A7s. This is not to be confused with the later released Alpha A7R, which sports an enormous 36.4 megapixel sensor, identical to that of the one in Nikon’s D800, but packed into a body less than half the size of the D800. The original A7 came with a 24 megapixel sensor, while the A7R comes with a 36 megapixel sensor, and now the A7s comes with a 12 megapixel sensor. All of this may seem a bit bizarre and confusing until you realize why the A7S
