PolarPro QuartzLine 77mm ND100K Filter

PolarPro QuartzLine 77mm ND100K Filter

SKU: PQL77ND100K

The PolarPro Quartzline 77mm ND100K Filter is made of 99.9% pure fused-quartz glass 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.