Q–How can I use a polarizing filter to deepen the blue of the sky in my photographs? A–To get the maxinmum effect in this use, it is necessary to have a certain relationship between the ...

So there you have it: the wonders of a circular polarizing filter. Basically, anytime there’s glass or water involved in your picture, a polarizing filter might help.

In his latest educational video, photographer Steve Perry explains why and how to use a polarizer filter.

Sony has shown off a new prototype sensor that features an on-chip polarization filter capable of selectively reducing glare and reflections in images.