K&F Concept Nano-X Ultra-Low Reflection Circular Polarizer Filter 77mm

The K&F Concept Nano-X Ultra-Low Reflection Circular Polarizer (CPL) Filter is a premium optical accessory designed for photographers seeking to enhance image quality by reducing glare and reflections. Crafted with advanced Nano-X multi-layer coating technology, this filter achieves an ultra-low reflection rate of less than 0.1%, ensuring minimal light loss and superior color fidelity. The 77mm diameter fits a wide range of lenses, making it an essential tool for landscape, travel, and outdoor photography.

Advantages

This CPL filter effectively eliminates reflections from non-metallic surfaces such as water, glass, and foliage, while deepening blue skies and increasing color saturation. The ultra-slim aviation aluminum alloy frame prevents vignetting on wide-angle lenses, and the 28-layer Nano-X coating provides water, oil, and scratch resistance for easy cleaning and durability. With a light reduction of 1-2 stops (ND2-ND4 equivalent), it offers precise control over exposure and creative effects.

Suitable for

• Landscape photographers wanting to enhance sky and foliage colors
• Travel photographers needing to reduce glare from water or windows
• Outdoor enthusiasts seeking durable, high-performance filters
• Videographers requiring consistent polarization without color shift

Key specifications

• Filter Type: Circular Polarizer (CPL)
• Filter Diameter: 77 mm
• Coating: Nano-X Multi-Layer (28 layers)
• Reflection Rate: <0.1%
• Light Reduction: 1-2 stops (ND2-ND4)
• Glass Material: High-Quality Optical Glass (AGC Japan)
• Frame Material: Aviation Aluminum Alloy
• Frame Type: Ultra-Slim
• Filter Thickness: Approx. 6.5 mm
• Thread Type: Standard Screw-in
• Compatibility: Lenses with 77mm filter thread
• Special Features: Water-resistant, Oil-resistant, Scratch-resistant

Recommendations

For best results, use with a lens hood to minimize stray light. Clean with a microfiber cloth when needed. This filter is an excellent investment for photographers who demand professional-grade image quality and durability.