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RockyIII

Raleigh, US
3271 posts

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RockyIII Gold Member Donor Ribbon awarded for his very generous support to the Fundraising Campaign 2015 Nikonian since 27th May 2006
Sat 20-Apr-13 11:56 PM

This is a question for those of you who test your camera body and lenses for front and back focusing issues using a LensAlign or other method.

Say for example the scale you are using has 1-2-3-4-5 and you are focusing on the 3. If 2-3-4 are in focus with 3 in the center then it is perfect. But suppose that 3-4-5 is in focus, with 3 still in focus but just not in the center of the focus area. Do you use a fine tuning correction factor or just leave it alone?

In other words, should the focus point be in the dead center of the focus area, or is it considered OK for the focus area to be slightly shifted to the back just as long as the focus point is still within that area?

Rocky

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