When it comes to taking landscapes, some prefer using CPL filters while others prefer graduated ND filters.
What conditions favour each filter? Or is it just a matter of personal preference?
So far I've only used CPL filters before. It makes the clouds stand out better, as well as preserve the highlights of the clouds. Also, the sky isn't washed out and is a better saturated blue colour.
I've read that graduated ND filters work better for landscapes, especially when presented with a cloudless sky. Would like to know if it is worth to buying one.