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Message: <blockquote data-quote="WayneF" data-source="post: 797144" data-attributes="member: 12496">Very good pictures.With a macro lens that focuses to 1:1, focus is not much problem, you simply just focus, however it is.  The 1:1 macro lens will focus anywhere, infinity to 1:1.But with a lens using extension tubes, the focusing range is less (not designed for 1:1), and in fact, the normal focus range is near zero with much extension. So then, near 1:1, we more likely cannot focus at all (not enough range to be useful). So then, focus is accomplished by moving the camera back and forth.  Which is difficult on a tripod, without the focusing rail.</blockquote>