Sony's entry-level Alpha A68 has '4D focus' for low light
 

Sony just reminded us that it makes more than mirrorless and compact cameras by launching the Alpha A68, an A-mount model with a 24-megapixel APS-C sensor. As with Sony's APS-C Alpha A77 II and full-frame A99 models, it uses a hybrid electronic OLE...

http://www.engadget.com/2015/11/05/s...8-hybrid-dslr/