This one small tip has big consequences! Keep the front of your lens clean (or if you have a filter on the front, keep THAT clean)! This is especially important when you point your camera toward the sun, as this can cause distracting flare and highlights or dark fuzzy spots.
I use a lens pen to keep the front of my lens clean. There are different varieties of these on the market, but they all work basically the same way. They are very effective and safe to use on all lenses, plus they are compact and portable. I always have one in my camera bag!
