K&F Concept 77mm Variable ND Lens Filter ND8-ND128 (3-7 Stop) Waterproof Nano-X Series with 28 Multi-Coatings Optical Glass

This K&F Concept variable ND lens filter is ideal for capturing stunning images of rivers, waterfalls, and other bodies of water, especially in bright lighting conditions. It enables longer exposure times, resulting in smoother water movements, a shallower depth of field, and effective motion blur.

Features:
* **Imported AGC Optical Glass:** Crafted from first-class AGC glass, ensuring balanced color without color cast and maintaining image clarity and sharpness.
* **No 'X' Cross Issue:** Advanced self-lock frame technology eliminates the common 'X' cross effect often seen with variable ND filters on wide-angle and telephoto lenses.
* **NANOTEC Multi-Coatings:** Features 28 layers of nanometer coatings for waterproof, scratch-resistant, and anti-glare protection, safeguarding your lens and delivering high-quality photos.
* **Ultra-Slim 7.4mm Frame:** Designed to prevent vignetting, even with wide-angle lenses (supports 28mm focal length without vignetting). CNC non-slip design allows for easy installation and removal.
* **Compatibility:** Compatible with 77mm camera lenses. Made from high-quality optical glass.