PolarPro Quartzline 82mm Circular Polarizer Filter

QuartzLine filters are constructed of Cinema Series™ Glass (Made in Germany) for unrivaled durability and optical clarity. These single-lens element filters produce a very low refractive index of just 1.46 and offer outstanding temperature stability. Combined with an over-engineered brass frame, QuartzLine filters thread on smoothly and are built to withstand your most rugged adventures.