Variable neutral density (ND) filters are handy tools for photographers, in that their opacity can be adjusted simply by rotating them. So, why not use them for adjustable-tint sunglasses? Well, ...

In this article, we will be using the Kenko REALPRO ND filter and Kenko Variable NDX filters as examples and as such, we'll be using the classification and markings according to this manufacturer.

Benro’s NE1 Electronic Variable ND Filter Kit goes live on Indiegogo with early bird pricing. We break down features, Dye-LC ...

Neewer has become a big player in the photography market. The company started out by making an on-camera flash back in 2011 and has never looked back. I’ve got a couple of Neewer LED light panels that ...

Designed for photographers and videographers alike, the LEE Elements VND filters offer decent options that circumvent some of the problems often seen with variable ND. There's a certain sector of ...