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 aluminium frame, QuartzLine filters thread on smoothly and are built to withstand your most rugged adventures.
Circular Polarizer (CP) Filter, 77mm
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