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<blockquote data-quote="J-see" data-source="post: 428495" data-attributes="member: 31330">Since we can only set one value for every individual lens, if I tune a zoom, I set it to the most used length. If you're using the 300mm most of the time, pick that one. If not, pick any other you shoot mostly.With fully zooming in live-view I meant the zoom option live-view has to zoom in at your shot. Not the lens. That's best to see how accurate your manual focus is. It doesn't matter if the cam thinks this is correct focus or not since I set it manually to perfect focus and after fine-tuning, it'll agree with me this is correct focus.AF-S or AF-C single dot probably won't make much difference besides the fact that AF-C adjusts focus and in that is not as reliable. AF-S should get focus and that's it. It no longer corrects once focus is obtained. Therefor AF-S is preferable.To add: should you have a lens where the range exceeds your fine-tuning limits; if +20 or -20 still give a solid dot, don't bother trying to get it tuned and send it in.It's really a very fast and simple method and once you've done it a couple of times, you can check and tune any lens within a couple of minutes.</blockquote>

[QUOTE="J-see, post: 428495, member: 31330"] Since we can only set one value for every individual lens, if I tune a zoom, I set it to the most used length. If you're using the 300mm most of the time, pick that one. If not, pick any other you shoot mostly. With fully zooming in live-view I meant the zoom option live-view has to zoom in at your shot. Not the lens. That's best to see how accurate your manual focus is. It doesn't matter if the cam thinks this is correct focus or not since I set it manually to perfect focus and after fine-tuning, it'll agree with me this is correct focus. AF-S or AF-C single dot probably won't make much difference besides the fact that AF-C adjusts focus and in that is not as reliable. AF-S should get focus and that's it. It no longer corrects once focus is obtained. Therefor AF-S is preferable. To add: should you have a lens where the range exceeds your fine-tuning limits; if +20 or -20 still give a solid dot, don't bother trying to get it tuned and send it in. It's really a very fast and simple method and once you've done it a couple of times, you can check and tune any lens within a couple of minutes. [/QUOTE]

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