With the advent of digital photography we have so much post-processing control in applications like Adobe Lightroom, Photoshop, or Photoshop Elements that many of the filters we once used are no longer needed. But there are two exceptions, filters that I still carry and use in my outdoor photography. This month I’ll remind you why a polarizing filter is still important.

Most people, when they think of a polarizing filter, associate it with darkening a blue sky. That’s certainly one of the most common uses of this filter. You can compare the effect of the polarizer in this photograph of our home made on a sunny afternoon with the sun roughly 90° to the left of my camera. Without the polarizer the grass is lighter green, the sky is a pale blue, and the brightness values of the yellow paint, the grass, and the sky are similar. Continue reading →