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D7000 Backfocus: am I missing something?

km6xz

St Petersburg, RU
3571 posts

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"RE: D7000 Backfocus: am I missing something?"

km6xz Moderator Awarded for his in-depth knowledge in various areas, including Portraits and Urban Photography Nikonian since 22nd Jan 2009
Thu 10-Jan-13 08:13 AM

It is entirely possible to have a calibration problem if all wide lenses are doing it.
There are mechanical as well as data adjustments in lookup tables that are adjusted in a calibration so it is expected that eventually most cameras will require at least mechanical adjustment.
After about 40,000 frames with my D7000, in the middle of an 8 hour event shoot all my wide angle lenses were suddenly off. Those about 45-60mm or longer were fine so I finished the session with the 85 1.4 and 70-200 2.8. The lenses I tried which were off were the 10-20 Sigma, 24 1.4 Nikon, 35 1.8 and 17-55 2.8.
I was going to the US soon so I took the D7000 to the authorized repair shop in Sacramento, Precision Services and they adjusted it under warranty and it was spot on again on all lenses I have. I was told that if mechanical alignment drifts off, it is noticed in the wide angles first.
I have no fine-tune compensation set for any of my lenses with the D7000. Like yours, my 70-200 is always spot on.
Stan
St Petersburg Russia

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This is a hot, active topic! D7000 Backfocus: am I missing something? [View all] , RLDubbya Silver Member , Wed 09-Jan-13 10:29 AM
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