On Wed, 16 Dec 1998 13:30:50 +1300, you wrote: >F5 & extension tubes [v04.n162/19] Check out this month's issue issue of the BT Journal. This is Moose Peterson's Newsletter (Vol, III Issue 3, November 1998). There is a complete discussion about this and a workaround. Al Simcoe ---------------------------------------------------------------------------------------------------------------------------- Al Simcoe SimCom Consulting Technologies E-MAIL: [EMAIL PROTECTED] [EMAIL PROTECTED] WWW: www.simcom-technologies.com