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Nikon DSLR Cameras
D600/D610
Troubleshooting autofocus problems
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<blockquote data-quote="naruse" data-source="post: 769128" data-attributes="member: 48632"><p>Thank you all for your suggestions.</p><p>I toggled the lens and body AF/M switches. I also tried in Auto, P, A, S and M modes. There was no change.</p><p>I tried cleaning the contacts on the lens and the camera body. The last time the lens was removed was in February when the camera was professionally cleaned.</p><p>I've also gone through each of the AF modes and changed between single and dynamic focal point selection. In single point I moved the point around a bit to be sure.</p><p>In all cases the result was the same, pressing the shutter release half way led to the focus going from infinity to 0.5m and back to infinity regardless of how far away the subject was.</p><p></p><p>I then tried live view and to my surprise AF seemed to work. I tried a few subjects at different distances and it seemed to work every time. I say "seemed" only because I do not trust what I see in LV 100% and I didn't take any photos to test the focus but I assume AF functionality is no less accurate in LV than it is using the viewfinder (although I almost never use LV).</p><p></p><p>Unfortunately, switching off LV, the problem comes back. I now at least have a work-around although unfortunately, as often as not I won't be able to see LV because of ambient light levels and reflections when I use the camera.</p><p></p><p>My next step is to see whether the warranty I got with the camera repair earlier in the year is still valid and if it covers this which is not directly related to the repair (a mirror replacement).</p></blockquote><p></p>
[QUOTE="naruse, post: 769128, member: 48632"] Thank you all for your suggestions. I toggled the lens and body AF/M switches. I also tried in Auto, P, A, S and M modes. There was no change. I tried cleaning the contacts on the lens and the camera body. The last time the lens was removed was in February when the camera was professionally cleaned. I've also gone through each of the AF modes and changed between single and dynamic focal point selection. In single point I moved the point around a bit to be sure. In all cases the result was the same, pressing the shutter release half way led to the focus going from infinity to 0.5m and back to infinity regardless of how far away the subject was. I then tried live view and to my surprise AF seemed to work. I tried a few subjects at different distances and it seemed to work every time. I say "seemed" only because I do not trust what I see in LV 100% and I didn't take any photos to test the focus but I assume AF functionality is no less accurate in LV than it is using the viewfinder (although I almost never use LV). Unfortunately, switching off LV, the problem comes back. I now at least have a work-around although unfortunately, as often as not I won't be able to see LV because of ambient light levels and reflections when I use the camera. My next step is to see whether the warranty I got with the camera repair earlier in the year is still valid and if it covers this which is not directly related to the repair (a mirror replacement). [/QUOTE]
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Nikon DSLR Cameras
D600/D610
Troubleshooting autofocus problems
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