<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px"><div id="yui_3_16_0_ym19_1_1483892094963_2861">Hi all,</div><div id="yui_3_16_0_ym19_1_1483892094963_2861" dir="ltr">I am installing a transducer for sonar on Elementary and was planning to mount it inside the camera housing, but just read that it will not shoot through metal. Does anyone know how deep a transducer can go unprotected? do I have to build a fibreglass pressure housing for it? I have had a cheap one on Gamma to just under 200 feet without trouble. </div><div id="yui_3_16_0_ym19_1_1483892094963_2861" dir="ltr">Hank</div></div></body></html>