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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 QuartzLine filter includes a microfiber lens cloth, soft filter pouch and a filter hard case.
Fused Quartz Glass
• Low refractive index (light bending) of 1.456
• Low surface reflectivity
• Stable in extreme temperatures/environments
Precision Coatings
• Optical ND - Achieves a near perfect target transmission while maintaining a hyper-neutral color profile
• Hydrophobic - Repels oils and water for easy cleaning/care
• Scratch-Resistant - Increases surface hardness for an extremely durable, scratch-resistant exterior
Brass Frame Construction
• Hand-crafted 4 part frame
• Threads on smoother than aluminum
• More dense than aluminum for extended durability
• Matte black interior coating eliminates reflections