Lens flare is a common problem that can occur when shooting photographs, especially in bright conditions. It occurs when light from a bright source, such as the sun or a streetlight, enters the lens of the camera and reflects off the internal elements of the lens, resulting in a loss of contrast and detail in the image. Lens flare can be a major annoyance for photographers, as it can ruin otherwise perfect shots.
There are a number of ways to avoid lens flare, including: