Description:

QuartzLine filters are 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.

FEATURES

• Fused Quartz Glass Element -Resolves up to 400MP sensors
• Brass Frame -Smooth threading and increased durability
• Perfect Color Neutrality-New coating process for zero color shift
• 16Coating Layers -Anti-scratch / anti-oil / hydrophobic coatings
• Adventure Assurance- Be satisfied with your PolarPro gear throughout your adventures or your money back.