Possible Duplicate: What is the difference between using an ND filter versus 2 polarizers? One thing I was always wondering when it comes to ND filters is why there's need for such a large ...
Is is possible to use two filters (one polarizing and one ND) at the same time on a 18-55 kit lens from Canon. I am new to photography and wanted to work with filters. Do you suggest me buy these ...
I know what an ND filter does. I know what a polarizer does. I also know what two polarizers stacked together and rotated properly do. So the question: why should I use an ND filter to achieve a ...