Schneider 138mm Circular True-Polarizing Water White Glass Filter Tiffen 82R23A you will need a 23

you will need a 23

Wall Mount Bracket

you can find them in the documents below

with a feathered line between the density and clear areas

Schneider 138mm Circular True-Polarizing Water White Glass Filter Tiffen 82R23A you will need a 23The Schneider 138mm True Polarizing Glass filter is by far the most effective polarizer for motion picture and television cameras. Having an extinction ratio of ER 374, the Schneider True Pol is 12 times more effective than other polarizing filters, and is unmatched in its ability. The polarizing film in a Schneider True Pol filter is laminated between two pieces of Schneider's crystal clear, water white optical glass. The filter is protected against