But sometimes reflections can be annoying. They can get in the way of what you want to make pictures of. This usually happens with windows, where light bouncing off the glass can obscure your subject.

Joe’s blog: Rare (for us) optical phenomena seen (TUE-1/7) Light pillars are optical phenomena caused by reflections of light ...

Golden light, tranquil reflections, and striking silhouettes have all been beautifully captured in a recent series of images ...

To investigate the reflection of light by a plane mirror.