</span><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (Ken Burns @ Oct 12 2002, 07:21 AM)</td></tr><tr><td id='QUOTE'>Why did you assume that the distance would be 5.9 inches?</td></tr></table><span id='postcolor'>
You&#39;re right. I just assumed that the glass to shutter distance when focused at infinity would be petty close to the focal length of the lens.

It&#39;s probably a good idea for me to contact Rodenstock.