It’s time for me to answer another set of frequently asked questions, one that I get almost weekly so I need to make a blog post about it.  Do you use GND filters, how do you choose the right filter, which ones should I buy, how do you position them, and how do you meter for them?  Well the answer to the first question is a big definite yes, I use GND filters for the majority of my images and I will explain the rest throughout this post in great detail...