Does AF Fine Tuning vary from particular camera body and lens to the same camera and lens?
I have just watched the video review of D7000 on a website where the reviewer says that the combination of his particular camera body and lens (namely Nikkor 18-105 VR kit lens) required him to enable AF fine tuning-- he tuned to -0.5 in this respect.
I own the very same camera and lens. But as far as I understand AF fine tuning may not be required or even if required I may need to tweak it to another degree with my own D7000 and kit lens, because in respect of AF fine tuning a particular D7000 body may perform different than another D7000 body and the same is true for the lens as well.
Is that true?
Yes, true ls that!
Here is the type of tool needed to check calibration of a particular lens / body combination:
http://spyder.datacolor.com/product-cb-spyderlenscal.php
I think it's rare that you have to consider this, but yes, it would vary from body-to-body and lens-to-lens if it is needed at all. It is to compensate for minor, minor manufacturing differences.
There are test targets made for fine tuning focus and I would not dream of doing this "by eye," I'd only use a test system to do the adjustments.
I can't find the technique in the manual right now. What is it under or what page is it on?
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Found it! See page 256 in your owner's manual. Really, it's rare that you have to mess with this.
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