Nikon D3100 SLR camera lens blur how to adjust
There may be two reasons, you do not have to hit the camera automatically, and that is when you focus on a long piece of the wall can not focus on a long time
Z or look near the optical viewfinder (I have seen generally have a bar or side there is a pull wheel), find the rear strokes or turn under, should be able to adjust to a clear line of sight for the LZ
Not used D3100, look at the words of the LZ should see the optical viewfinder paste, and the display data is paste, so the most likely situation is the optical viewfinder line of sight adjustment accidentally met, that is convenient for myopia, a little Like the role of myopic lens, moderate degree of myopia can be adjusted without glasses can see. The The Proposed LZ look under the instructions, there should be a viewfinder to use the piece will be written.
