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24-120 F4 focus breathing
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<blockquote data-quote="Geoffc" data-source="post: 247300" data-attributes="member: 8705"><p>If you mean it's focussing beyond the subject you need a negative value. You need to choose a focal length and distance to subject to do the calibration at as it will be slightly out at other settings.</p><p></p><p>I also recommend something like the focal AF software which I have, or lens align which I don't, to make the testing less subjective.</p><p></p><p>I'm now happy with mine and leave it on the camera most of the time.</p></blockquote><p></p>
[QUOTE="Geoffc, post: 247300, member: 8705"] If you mean it's focussing beyond the subject you need a negative value. You need to choose a focal length and distance to subject to do the calibration at as it will be slightly out at other settings. I also recommend something like the focal AF software which I have, or lens align which I don't, to make the testing less subjective. I'm now happy with mine and leave it on the camera most of the time. [/QUOTE]
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