QuartzLine filters are made of 99.9% pure fused quartz for unrivaled durability and optical clarity. These single lens element, fused quartz filters produce a very low refractive index of 1.46 and offer outstanding temperature stability. The over-engineered brass filter frames thread on smoothly and are built to withstand your most rugged adventures. Featuring optical coatings for a hyper neutral color profile, near perfect target transmission, and multi coatings for enhanced scratch resistance, water resistance, anti-reflectivity and reduced vignetting in wide angle shots, QuartzLine filters let content creators bring true-to-life colors to their final product, from the most extreme locations on the planet. Each filter includes a microfiber lens cloth, soft filter pouch and a filter hard case. More information: Packaging content | Bag included | Yes | ![](/p.gif) | Cleaning cloth | Yes | Features | Filter size | 77 mm | ![](/p.gif) | Filter type | Circular polarising camera filter | ![](/p.gif) | Camera lens filter type | CP | ![](/p.gif) | Hydrophobic coating | Yes | ![](/p.gif) | Anti-glare (AG) coating | Yes | ![](/p.gif) | Waterproof | Yes | ![](/p.gif) | Oil-resistant | Yes | ![](/p.gif) | Scratch-resistant | Yes | ![](/p.gif) | Material | Quartz glass | ![](/p.gif) | Coating | Multi Resistant Coating (MRC) |
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