K&F Concept Nano-X Series Variable ND Filter ND8-ND2000 55mm

The K&F Concept Nano-X Series Variable ND Filter ND8-ND2000 is a high-quality variable neutral density filter designed for photographers and videographers who need precise control over exposure. With a light reduction range of 3 to 11 stops (ND8 to ND2000), this filter allows you to achieve long exposure effects and shallow depth of field even in bright conditions. Crafted from Japanese AGC optical glass and aviation aluminum alloy, it features 28 multi-layer coatings for waterproof, scratch-resistant, anti-reflection, and anti-oil performance. The ultra-slim rotating frame prevents X-pattern on wide-angle lenses, ensuring neutral color rendition without color cast.

Advantages

This variable ND filter offers exceptional versatility by combining multiple ND strengths in one unit, eliminating the need to carry several fixed ND filters. The high-quality optical glass and advanced coatings deliver sharp, high-definition images with minimal flare and ghosting. The slim frame design is compatible with wide-angle lenses, and the smooth rotation allows for quick adjustments. Additionally, the filter is easy to clean and maintain thanks to its hydrophobic and oleophobic coatings.

Suitable for

• Landscape photographers capturing silky waterfalls, smooth clouds, or motion blur
• Portrait photographers using wide apertures in bright sunlight
• Videographers needing consistent exposure control with variable lighting
• Architectural and travel photographers seeking creative long exposure effects

Key specifications

• Filter Type: Variable Neutral Density (VND)
• ND Range: ND8 - ND2000 (3-11 stops)
• Filter Diameter: 55mm
• Optical Material: Japanese AGC Optical Glass
• Frame Material: Aviation Aluminum Alloy
• Coatings: 28 Multi-Layer Coatings (Waterproof, Scratch-Resistant, Anti-Reflection, Anti-Oil)
• Optical Density Range: ND0.9 - ND3.3
• Frame Design: Ultra-Slim, Rotating
• Color Shift: Neutral / No Color Cast
• X-Pattern Prevention: Yes
• Series: Nano-X Series
• Thread Type: Standard Filter Thread

Recommendations

For best results, use this filter with a lens hood to minimize stray light. When using ultra-wide-angle lenses, be aware that the variable ND may cause vignetting at the widest focal lengths; it is recommended to zoom in slightly or use a step-up ring for larger filter sizes. Store the filter in its protective case when not in use to prevent scratches.