Buy from Amazon.com : http://fave.co/1bdj8o2 <br /><br />The Flash X-Tender Better Beamer FX-6 Flash Output Booster for Nikon SB-900 Flash<br /><br />Product Description : <br />Increases light output from your flash <br />Focuses flash with big telephoto lenses <br />Faster recycle times <br />Reduced battery consumption <br />Exposure handled automatically by TTL
