K&F Concept 55mm Variable ND Lens Filter ND8-ND128 (3-7 Stop) Waterproof Nano-X Optical Glass

This K&F Concept 55mm Variable ND Lens Filter from the Nano-X Series is crafted from high-quality imported AGC optical glass, ensuring exceptional image clarity and color balance without any color cast. Designed for photographers and videographers, this waterproof filter provides 3 to 7 stops of light reduction (ND8-ND128), allowing for greater creative control in various lighting conditions.

Key Features:
* **Premium Optical Glass:** Made with imported AGC glass, offering balanced color and maintaining image clarity and sharpness without color cast.
* **No "X" Cross Issue:** Features a unique Self-Lock Frame design that prevents the common "X" cross pattern, especially on wide-angle and telephoto lenses.
* **NANOTEC Multi-Coatings:** Equipped with 28 layers of nanometer coatings for waterproof, scratch-resistant, and anti-glare performance, protecting your lens.
* **Ultra-Slim Design:** The 7.4mm ultra-slim frame helps to avoid vignetting, even with wide-angle lenses (supports 28mm focal length without vignetting).
* **Easy Handling:** CNC-non-slip design facilitates easy installation and removal of the filter.