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.

Focus Control: TTL Phase Detection System
Focus Points: 15-point AF system with 3 cross sensors
AF Modes:  Continuous AF, Single-shot

Dimensions (Approx.):.3 1/8  x 3 1/2  x 13/4  inches (78.5 x 86.5 x 44mm) ( H x W x D )
Weight (Approx.): 7.1 oz (200g)

Additional Notes:
No AF capability when using STF lenses and teleconverters.
Minolta Xi and teleconverter lenses are not compatible
Video aperture is fixed at the maximum aperture of the lens being used or f/3.5, whichever is lower