<p>Hey Everyone! Thanks for the useful information thus far. Here are some more details about my problem:<br>
The issue of the "refusal to fire" is happening when I shoot on both my D3200 and my D90. It happens in A (Aperture) and M Manual. It even happened at an event last week while I was shooting in AUTO with my lens set to M/A. Most of the time when it has happened, my lens was in M/A, my shooting mode was A or M, with ISO 200, Auto WB, Auto-Servo AF Focus Mode all while shooting in daylight. At the event, when it happened on my D90, I had the camera in AUTO and the lens on M/A. <br>
What I am wondering is that since both the D3200 and the D90 are not professional cameras, am I just burning them out? In theory, even if the photo is out of focus (if my lens is on M) it should take the photo regardless. Never reject, and especially not reject while shooting completely in AUTO on all settings. This is what has led me to believe I am working the equipment harder than it was built for. I am shooting hundreds of photos per hour at events/portrait sessions. <br>
Please let me know if you guys think it is still my technical error if I may be right that it's time to switch to a full-frame camera body! <br>
Thank you!!</p>
<p>original question:<br>
Greetings! thanks in advance for any tips you can give me.<br />I. Often when I am shooting, my camera "refuses" to take a photo or "rejects" my settings maybe. I miss so many moments because of this. Generally my settings are pretty technically accurate -- I shoot in A or M, work with an aperture of 1.8-5.6, Keep my speed above 1/125 for hand-held shooting, ISO 100-400 depending, Auto WB and AF-S. Matrix metering. Dynamic or 3-D tracking, sometimes single point.<br />II. What settings are best for motion? I.E. a family session where kiddos are moving about and I am taking candids. Often when they run to my camera or the parents swing them towards me it's just totally out of focus or the shots won't fire. <br />thank you so much!</p>