Tag: polarizing

  • You only need two filters

    Digital photography changed a lot of things but there is an invariant left: It has to catch light on a sensitive surface. So, for a long time, the photographers learned to play with light to draw the maximum from it. And during years, we saw pros lugging around their load of equipment they were the…

  • A simple variable Neutral Density filter

    A long post from Instructables (Simple Variable Neutral Density Filter) invites us to build easily a Neutral Density (ND) filter whose density can be adjusted (using only two polarizing filters). The simple and neat idea is to flip back one of the filters in front of the other. Correctly aligned, they become nearly totally black…