Sony may bring the translucent mirror technology from the Alpha A33 and A55 to a more compact camera that might sit between the current Alpha and NEX lines. A recent US patent filing has shown a camera with the technology, which allows faster focusing in a mirrored camera, but without an optical viewfinder like a normal Alpha camera. The mirror could even have a dynamic reflectivity that lets in more or less light to trigger the autofocus sensor in low light conditions where it might otherwise not get a lock.
