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<blockquote data-quote="WayneF" data-source="post: 354629" data-attributes="member: 12496">Should work, but maybe not quite maximum zoom to practice the first time, to see it&nbsp; the first time once.&nbsp; You need to be looking at fine detail, not big vague shapeless areas.Maybe first time, indoors, several feet from a bookshelf, to see the text on the book spines.&nbsp;&nbsp; See what auto focus does, then try to match it manually.&nbsp; Re-aim the camera slightly, to be sure you are seeing small fine detail (the text).It is contrast focusing, the book text becomes darker (maximum contrast), and more clear, out of nothingness.As to &quot;pin sharp&quot;, remember you are looking at a great magnification.&nbsp; At max magnification, you will see plenty of noise spots dancing around, it will not be pretty, but best focus should be clearly obvious.&nbsp;&nbsp; Then, to see and know, actually take the picture, and examine it in the computer (AF turned off of course, so it won't change it).&nbsp;&nbsp; This indoor picture&nbsp; may need slow shutter or high ISO, but it won't matter for this.</blockquote>

[QUOTE="WayneF, post: 354629, member: 12496"] Should work, but maybe not quite maximum zoom to practice the first time, to see it the first time once. You need to be looking at fine detail, not big vague shapeless areas. Maybe first time, indoors, several feet from a bookshelf, to see the text on the book spines. See what auto focus does, then try to match it manually. Re-aim the camera slightly, to be sure you are seeing small fine detail (the text). It is contrast focusing, the book text becomes darker (maximum contrast), and more clear, out of nothingness. As to "pin sharp", remember you are looking at a great magnification. At max magnification, you will see plenty of noise spots dancing around, it will not be pretty, but best focus should be clearly obvious. Then, to see and know, actually take the picture, and examine it in the computer (AF turned off of course, so it won't change it). This indoor picture may need slow shutter or high ISO, but it won't matter for this. [/QUOTE]

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