Via Digital Photography School - No it’s not some magical solution, but these are some obvious and not so obvious tips to reducing or eliminating that pesky lens flare when shooting into a light source that can ruin your shot or cause a huge headache in post-processing.
This is why I ALWAYS wear a baseball cap to a shoot. 9 times out of 10 when I’m shooting outdoors, I will use it to shield the sun at least once!