Buy from Amazon.com : http://fave.co/1GJ7ugQ <br /><br />SUNPAK 4000AF Electronic Power Zoom Flash with LCD (SUNPAK 040N)<br /><br />Product Description : <br />Conserve battery power the PZ4000AF features a sleep mode <br />If not fired after a few minutes the PZ4000AF goes into a standby mode <br />LCD panel displays TTL manual or fill flash modes <br />Flash will power zoom in-sync with camera lens focal point on selected camera models
