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<blockquote data-quote="hark" data-source="post: 756960" data-attributes="member: 13196">Woody, I used both dynamic 153 as well as single point. For some reason, single point just doesn't seem to cut it with birds. I don't know if it's because wide open, it's only f/6.7 (even though I stopped down). Not sure there is enough info getting to the sensor in these types of situations. I know people have mentioned focusing on something with more contrast, but sometimes there really aren't a whole lot of options. All of the photos of the heron were a little soft no matter whether dynamic 153 or single point. :indecisiveness:But there is a definite improvement overall with better AF ability (meaning sharpness) even with the heron's situation than what I was getting before sending in the lens for service. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" /></blockquote>

[QUOTE="hark, post: 756960, member: 13196"] Woody, I used both dynamic 153 as well as single point. For some reason, single point just doesn't seem to cut it with birds. I don't know if it's because wide open, it's only f/6.7 (even though I stopped down). Not sure there is enough info getting to the sensor in these types of situations. I know people have mentioned focusing on something with more contrast, but sometimes there really aren't a whole lot of options. All of the photos of the heron were a little soft no matter whether dynamic 153 or single point. :indecisiveness: But there is a definite improvement overall with better AF ability (meaning sharpness) even with the heron's situation than what I was getting before sending in the lens for service. :) [/QUOTE]

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