Be careful concerning the aspects that you feature in your photos. Go ahead and take out anything from the picture that doesn’t belong there or makes the frame seem out of balance. Use panning shots that keep your subject in concentration and if need be blur the background, if you can’t get rid of all undesirable distractions from your shot. Visit http://thecamerajunction.com for more info.
The following tips are meant to not only help you maximize efficiency, but to also make your life a bit easier by not having to think so much. Most of these tips apply to any of Nikon’s latest cameras, including the D4s, D800, D810/e, & the D750, but it’s focused primarily on the D750 features. Some features may be in the older models, but these are just the cameras I have used and know for a fact they are implemented in the UI.