nd filter

The kind folks at B&H recently provided me with several products from the filter company Hitech for testing and review. I’ve already reviewed their 100mm modular filter holder and now it is time to take a look at one of the most talked about filters, the 10-Stop ND. Let’s start with the basics, why would you need a 10-stop ND filter ?  In the vast majority of cases the reason to use one is going to be to create long exposure photographs of flowing water and skies.  A 10-stop filters will allow you to take some truly LONG exposures even