15-Stop Neutral Density Filter PolarPro QuartzLine 67mm ND100K Camera Filter
: PolarPro QuartzLine 67mm ND100K Camera Filter (15-Stop Neutral Density Filter) : Electronics. 99.9% Pure Fused Quartz glass element with a base refractive Index of only 1.46 for razor sharp images . 15-Stop Neutral Density Filter for long exposure photography with zero image degradation . 67mm Rugged Brass Frame / New optical coating technologies achieve near perfect target transmission while maintaining a Hyper Neutral Color profile . Abrasion Resistant and Hydrophobic coatings increase surface hardness and make cleaning easy . Includes QuartzLine Filter, Soft Filter Case, Hard Filter Case, Microfiber Cloth, and a Lifetime Warranty . 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. . . .