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Message: <blockquote data-quote="Inquisitor" data-source="post: 3175851" data-attributes="member: 129508">This stuff is WAY over my head but I found this link while trying to learn some more. I am not overly  interested in the math but only better understanding what these technical and brilliant minds are talking about.  This is mostly for cameras I guess but it is starting to help me more nearly grasp the theme of the last two pages of posts.<a href="http://www.normankoren.com/Tutorials/MTF.html" target="_blank">http://www.normankoren.com/Tutorials/MTF.html</a>I just started digesting it (a crumb at a time) but recognized it as helpful or at least interesting and thought I would share with the group. Jon</blockquote>