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| p.1 #20 · D4 autofocus getting "confused" and not responding... |
Richard, I had it set to shutter and af-on and i had the vertical af-on set to same as and i had a9 set to "same as af-on button". I understood what you were getting at regarding the sb900 and the assist. I think the biggest difference between mine and yours seems that mine would freeze altogether at times when it couldn't find focus and yours just stops trying. My freeze would be quite extensive.
For instance, at my mother's 80th birthday, the camera froze when i was trying to focus on her face as she blew out the candles. By the time it unfroze, candles were out and off the cake, and lights were turned back on. Memory lost forever. I wasn't about to ask for the "moment" to be recreated. Actually, now that I think of it, I had an sb800 mounted on the camera bouncing off the ceiling at the time of that freeze.
Regarding trying the AF-on button, if I depressed the horizontal one before the "freeze", that would focus. However, if I wasn't quick enough to realize the camera was going to freeze, the af-on button would not get the camera out of the freeze.
Finally, yes, the assist points were on. The problem I have with the assist points is that when you're not photographing faces (facial recognition), and you are photographing something small like a flower or a leaf, murphy's law has an assist point that doesn't contain your subject as the active focus point more often than not. That is why I prefer single point.
I'm sure Roberts is top notch, I was just wondering if as the assembly line is burned in, if the workers are more experienced and more problems have been reported so for instance the shutter release assembly area of the production is looked at more carefully. Just like we are reading less about the left focus problems on the D800, maybe they have found the problem with the assembly of the D4.
Thank you for your responses. I sent the camera cross-country by overnight express mail. They will receive it tomorrow, and hopefully ship one back to me in time for a wedding that I'm shooting on July 8. I will definitely keep you posted.