Feature

Graduated ND Coating

8-Layer Anti-Reflective Digital Multi-Coating on Each Side
Water & Oil Repellent; Scratch & Stain Resistant Nano Coating

Graduated ND Glass

High Transparency High Density Enhanced Optical Glass
Matt Frosted Glass Reducing Light Reflection Around Filter Edge

Graduated ND Slim Frame

6.5mm Slim Black Anodized Filter Ring Eliminating Vignetting. The frame meets ROSH standard which fit environment protection requirements.