The Sony LA-EA2 adapter allows Alpha A-mount lenses to be used with the NEX-5 and NEX-7 E-mount camera bodies. The LA-EA2 features a 15-point AF system and 3 cross sensors, plus full-time TTL Phase Detect autofocus and AE support. The built-in Translucent Mirror Technology allows for high speed and accurate autofocus for both still and video capture.