(Polarizing filters can also be used to darken skies ... using a black cloth the way we did in in our Reflections in Photography video. And if you need to photograph (or film) a really large ...

Linear polarizing film is a fascinating material that plays an important role in optics, photography, and display technology.

Reflections off windows are a photography problem traditionally tackled by using circular polarizing filters, but software giant Adobe will soon launch a tool to tackle the issue in post.