Important for Nikon D850, D500, D7500 and D5 users
Yesterday I did Auto AF fine tune for the two main lenses .. 24-70mm and 70-200 +/- TC 14E III on Nikon D850.
It took me a good 2 hours
I had to buy a collar for the 70-200 f4 to put on tripod safely ..
I did each lens, at each focal end, 10 times. I then averaged the value for the lens .. while keeping the values for each end saved on my mobile, in case I want to use at one end or the other exclusively in a critical shoot .. I had to do the 70-200 with and without the extender ..
The reason for doing 10 times each one is that the process is so critical .. even pressing the button on the camera makes a very fine vibration, that affects the value significantly .. I think Nikon have to change the process…
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