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Need advice on focus

kingsgraphic

UK
4 posts

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"RE: Need advice on focus"

kingsgraphic Registered since 30th Oct 2012
Wed 31-Oct-12 11:54 AM | edited Wed 31-Oct-12 11:58 AM by kingsgraphic

>Last April I had my D7000 camera serviced at Nikon because I
>was not confident with reliable focus. It was much better and
>under normal use camera performed well but sometime I do have
>feeling that I need to put glasses on when viewing the photos.
>This time I had the oportunity to take some wildlife photos
>using my 18-200mm lens tripod and VR off. Large number of
>pictures are not in focus and I could not find the reason. In
>all the situations image is sharp in viewfinder but smudged
>after being taken. When using manual focusing image will be
>sharp if adjusted well enough. In the samples the first image
>was sharp. In the second image I moved closer and the birds
>had the sky as background. Of some 20 photos taken all were
>smudged. With manual focus I got better result. In the last
>sample I changed to single focus point but focus was out
>again. In all the images the result was the same so the
>problem is not camera movement. In other experiments photos
>taken at lens adjustment +10 gave good result some of the time
>but when focal lenght was changed I could not get good focus
>at all. From all the samples I could not find correlation what
>is best or worst setting or even that I have problem at all.
>All I know is that in D80 using the same lens I have constant
>good result but I still prefere the images from D7000. If the
>image is sharp in viewfinder then it should be equaly sharp
>when taken provided camera did not move. Should I visit Nikon
>service centre again? I just dont feel focus system is working
>right. Note: All are 100% crop
>

Hello,
have a look at the D7000 forum thread 'D7000 Focus Problem' where several users have noted a required adjustment to the AF Fine Tune.
However in their, and my experience, the adjustment is always towards the negative. Try settings in the range -10 to -15 (and use the focus chart described in the thread) and see if things improve. I note in the EXIF data that AF Fine Tune is always OFF, but you mention +10 settings (?)
Regards, Tony

This is a hot, active topic! Need advice on focus [View all] , burchan Silver Member , Wed 17-Oct-12 10:00 PM
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