Cross polarization is a technique that uses two polarizing filters – one on the light source and on e on the camera lens – to get rid of unwanted specular reflections. This article is part one of a two-part series explaining cross-polarization and birefringence.
Understanding Polarized Light So let’s have quick look at the science […]. petapixel.com
We can sit and talk about which cameras are best for landscape photography all day. However, to get the very best out of them in challenging situations, you really need to use lens filters. Some lens filters will help you create gorgeous images in-camera by exposing them for both shadows and highlights.
Whether you're new to photography, or you've been around cameras for a long time, one thing you have probably heard about is lens filters. These small accessories can help photographers get more from their cameras and lenses in tricky lighting conditions.