Buy from Amazon.com : http://fave.co/1I03BWs
Bower SFD728S Digital Autofocus Flash for Sony A100/200/230/290/300/330/350/380/390/450/500/560/550/700/850/900
Product Description :
Auto power saving and check indicator
Guide Number 92 feet 50mm ISO 100
Fully Dedicated Digital Flash System
Compatible with all Sony Alpha models including A100 A200 A230 A290 A300 A330 SLT-A33 A350 A380 A390 A450 A500 A560 SLT-A55 A550 A700 A850 and A900
28mm-85mm zoom coverage