Schneider 4 x 5.65" Linear True-Pol Polarizing Filter GST018 M-Discs have a projected lifetime

M-Discs have a projected lifetime of several hundred years

6 lbs (3 kg) Weight 3 lbs (1

Rubber Foam Padding on Contact Points

Standard 1/4"-20 Tripod Mounting Hole

Schneider 4 x 5.65" Linear True-Pol Polarizing Filter GST018 M-Discs have a projected lifetimeWater White Glass The Schneider 4 x 5. 65" Linear True Pol Polarizing Filter is by far the most effective polarizer for motion picture and television cameras. Having an extinction ratio of ER 374, the Schneider Linear True Pol is 12 times more effective than other polarizing filters, and is unmatched. Reduce glare and unwanted reflections Saturate colors Deepen blue skies Improve contrast Penetrate haze True Pol Polarizing filters enable you to