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Photography Q&A
Which focus mode for photographing runners (moving subjects)?
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<blockquote data-quote="WayneF" data-source="post: 550282" data-attributes="member: 12496"><p>I virtually never use AF-C. But I don't do sports and flying birds, I do scenics and travel and people and tabletops and such, regular pictures, so motion is not much issue for me. </p><p></p><p> I'm always at Single Point focus because I specifically want to control where it is focusing. And always AF-S so it won't change on me if I move the camera a little.</p><p></p><p>My only point is that we dearly do need to understand what the camera is doing in these modes. This from the D7200 manual:</p><p></p><p><img src="http://www.scantips.com/g2/afc.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Note the manuals always say AF-S is for <strong>S</strong>tationary subjects, and AF-C is for <strong>C</strong>ontinuous motion. This is because focus locks (at half press) on the subject in AF-S, bt it keeps focusing to follow the subject in AF-C. </p><p></p><p>The D3x00 and D5x00 models are exceptions, and have a very different last sentence, they also say AF-C <strong>focuses first, before the shutter</strong> activates. Different than most, because the alternative might be beyond the skill of beginners.</p><p></p><p>However this one (D7200) and most other models, say the AF-C shutter will activate immediately, REGARDLESS if it has found focus yet. That pretty much means the first shot may not be focused yet. AF-S requires focus first, and then the shutter, which seems a pretty good thing. There are options to change it (and D3x00 and D5x00 do change it), because that result of a quick shutter jab probably is never in focus yet. Then we complain our pictures are not sharp. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> </p><p></p><p>So other than D3x00 and D5x00, if using AF-C, we have to know to hold half press a second to let it find focus first. Which we use really should depend on what we are doing. And if it is not Single Point, you don't know where it is focusing, it just finds something out there. </p><p></p><p> So do you want it to focus first, before the shutter activates? Or do you want it to keep focusing to follow fast action? It is a choice, and pretty much requires that we make the choice. If there is any feature that requires a thought first, it is this one. The D3x00 and D5x00 protect the user against it however.</p><p></p><p>About the least we can do is to read this section in the manual for our model.</p></blockquote><p></p>
[QUOTE="WayneF, post: 550282, member: 12496"] I virtually never use AF-C. But I don't do sports and flying birds, I do scenics and travel and people and tabletops and such, regular pictures, so motion is not much issue for me. I'm always at Single Point focus because I specifically want to control where it is focusing. And always AF-S so it won't change on me if I move the camera a little. My only point is that we dearly do need to understand what the camera is doing in these modes. This from the D7200 manual: [IMG]http://www.scantips.com/g2/afc.gif[/IMG] Note the manuals always say AF-S is for [B]S[/B]tationary subjects, and AF-C is for [B]C[/B]ontinuous motion. This is because focus locks (at half press) on the subject in AF-S, bt it keeps focusing to follow the subject in AF-C. The D3x00 and D5x00 models are exceptions, and have a very different last sentence, they also say AF-C [B]focuses first, before the shutter[/B] activates. Different than most, because the alternative might be beyond the skill of beginners. However this one (D7200) and most other models, say the AF-C shutter will activate immediately, REGARDLESS if it has found focus yet. That pretty much means the first shot may not be focused yet. AF-S requires focus first, and then the shutter, which seems a pretty good thing. There are options to change it (and D3x00 and D5x00 do change it), because that result of a quick shutter jab probably is never in focus yet. Then we complain our pictures are not sharp. :) So other than D3x00 and D5x00, if using AF-C, we have to know to hold half press a second to let it find focus first. Which we use really should depend on what we are doing. And if it is not Single Point, you don't know where it is focusing, it just finds something out there. So do you want it to focus first, before the shutter activates? Or do you want it to keep focusing to follow fast action? It is a choice, and pretty much requires that we make the choice. If there is any feature that requires a thought first, it is this one. The D3x00 and D5x00 protect the user against it however. About the least we can do is to read this section in the manual for our model. [/QUOTE]
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Which focus mode for photographing runners (moving subjects)?
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