4x5.65/138mm Variable ND Kit

 Variable ND Kits The Revar Cine Variable ND kit is the industry standard Variable ND solution for use in matte boxes, suiting those who like to work fast and who prefer variable ND control over single filter single stop control. Our Variable ND uses two polarizer filters made of the highest quality optical glass and anti-reflective coatings to create a 2-8 stop effect. Featuring matched polarization foil allowing for minimal color shift to create the finest neutral density effect for your images. Variable ND Kit A The one that started it all, this kit takes up two of your 4x5.65 matte box trays. Using our rectangular 4x5.65 polarizer in your existing 4x5.65 tray, and our Rota Tray 138mm geared circular rotating polarizer that comes housed in a 4x5.65 width tray. The rectangular filter remains fixed in place, and by adjusting the 138mm filter with our built-in dual gear design (0.8 pitch follow focus standard), you are able to adjust between 2 and 8 stops of light los