The Sony alpha A77VQ DSLR Camera with SAL 16-50mm Zoom Lens marks true innovation in the digital SLR market. The world's first OLED electronic viewfinder. 2nd Generation Translucent Mirror Design - Other DSLRs can shoot. Or they can focus with the speed and precision of Phase Detection AF.Sony changes all that with the award-winning Translucent Mirror Technology system. It directs light to both the image sensor and the Phase Detection AF sensor simultaneously. You can use both the LCD monitor and OLED Electronic Viewfinder for composing shots in Live View. Both provide a what-you-see-is-what-you-get preview of white balance, focus, depth of field, exposure and 100% framing accuracy, plus informative on-screen displays.