·【Import Optical Glass】Crafted from premium Japanese AGC optical glass with an astonishing 28 multi-layer coatings, this ND filter reduces reflections and glare, ensuring superior image quality.

·【Putter Design for Precision】The frame is ingeniously designed as a putter, allowing you to accurately adjust the stop. Video shooting users can effortlessly adjust the stop with auxiliary tools. Every stop from ND2 to ND400 is conveniently marked on the frame, providing smooth 360-degree rotation for multi-scene applications.

·【Waterproof & Scratch Resistant】Equipped with multi-layer hydrophobic, oil-proof, and scratch-resistant coatings on both sides, the K&F Concept ND filter is fully protected and perfect for adventurous use.

·【No Vignetting】Designed for ultra-wide-angle applications, the ultra-slim frame measures only 7.4mm, ensuring no vignettes even at a 16mm focal length.

·【Compatibility Note】Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a "Ø" (diameter) symbol. For example Ø37= 37mm lens thread size. Be sure to check your camera's lens thread size (usually beside a "ø" diameter symbol) before ordering. Additionally, an 86mm lens cap is required for this 82mm variable ND filter.