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<blockquote data-quote="WayneF" data-source="post: 524149" data-attributes="member: 12496">The 70-200 lens is extremely sharp, even at 100% crop. Easy things first.&nbsp; Not mentioned, but first thing is to verify and tell us that Auto Focus was in fact switched on.&nbsp; Both the camera and the lens have switches to disable it.&nbsp; You can verify that you actually see the lens (the distance scale) change when you focus on near or far things.&nbsp; I sometimes forget I turned AF off, which is always a surprise.&nbsp; <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" />Another thing not mentioned, is to examine the focus pattern mode.&nbsp; If you let it select from 51 focus points, you have no clue on what or where it might focus.&nbsp;&nbsp; If you specify ONE single focus point, it focuses on where you place that one point.&nbsp; Both of these pictures want Single Point.You only want 51 points to help follow very fast motion.&nbsp; IMO, for all else, subjects that are not moving fast, I surely want single point, so I can choose where it focuses.</blockquote>

[QUOTE="WayneF, post: 524149, member: 12496"] The 70-200 lens is extremely sharp, even at 100% crop. Easy things first. Not mentioned, but first thing is to verify and tell us that Auto Focus was in fact switched on. Both the camera and the lens have switches to disable it. You can verify that you actually see the lens (the distance scale) change when you focus on near or far things. I sometimes forget I turned AF off, which is always a surprise. :) Another thing not mentioned, is to examine the focus pattern mode. If you let it select from 51 focus points, you have no clue on what or where it might focus. If you specify ONE single focus point, it focuses on where you place that one point. Both of these pictures want Single Point. You only want 51 points to help follow very fast motion. IMO, for all else, subjects that are not moving fast, I surely want single point, so I can choose where it focuses. [/QUOTE]

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