Yeah what Patrick said 57mm is what I meant. I have the same exact setup as Patrick, only difference is mine was done way before his so in essence he has the same setup that I have. <img src="http://www.catsailor.com/forums/images/graemlins/grin.gif" alt="" /> <img src="http://www.catsailor.com/forums/images/graemlins/tongue.gif" alt="" /> <img src="http://www.catsailor.com/forums/images/graemlins/wink.gif" alt="" />