【Ultimate Color Perfection】Embrace OptimaTech ProTech CPL Filter - a technologically advanced marvel with a 70mm diameter. Leveraging sophisticated gold coating technology, it guarantees precise color representation and eradicates any unnecessary yellow hue in your photos and videos, rendering genuine and rich colors. | 【Reduced Glare】Filter out reflections and glare from non-metallic surfaces with the circular polarizing, resulting in increased saturation of skies and foliage. | 【Enhanced NANO-Coating】Polarizing filter comes with 24-layer NANO-Coating including hydrophobic and scratch-resistant features, offering an incredible 99% light transmission. This reduces environmental reflections, giving you realistic images. | 【Exceptional Optical Quality】Constructed with superior Japanese AGC glass, HD Circular Polarizer filter ensures sharp, high-definition imagery, preserving the true colors and details in your photographs. | 【Ultra-slim frame】Engineered with an ultra-thin 4.4mm frame and double-sided polishing, our HD CPL filter promises clear imagery on telephoto lenses, without any vignetting.Designed to fit all 72mm lenses. Check your lens for the "ø" (diameter) symbol, denoting filter size.