K&F Concept Nano-X Ultra-Low Reflection Circular Polarizer Filter 49mm

The K&F Concept Nano-X Ultra-Low Reflection Circular Polarizer (CPL) Filter is a premium optical accessory designed for photographers seeking to eliminate reflections, enhance color saturation, and improve contrast. With a 49mm diameter, this filter fits lenses with a 49mm filter thread, making it ideal for a wide range of cameras and lenses.

Advantages

This CPL filter effectively reduces glare from non-metallic surfaces such as water, glass, and foliage, allowing you to capture clearer, more vibrant images. The ultra-low reflection coating (<0.1%) minimizes flare and ghosting, ensuring high-contrast results even in challenging lighting conditions. The 28-layer multi-coating provides excellent light transmission while protecting the lens from scratches, dust, and moisture.

Suitable for

• Landscape photography to deepen blue skies and reduce haze
• Water and nature photography to eliminate surface reflections
• Architectural and cityscape photography to enhance color and contrast
• Any situation where glare reduction and color saturation are desired

Key specifications

• Filter Type: Circular Polarizer (CPL)
• Filter Diameter: 49mm
• Series: Nano-X
• Coatings: 28-Layer Multi-Coating
• Reflection Rate: Ultra-low (<0.1%)
• Glass Material: Japanese AGC Optical Glass
• Frame Material: Aviation Aluminum Alloy
• Frame Type: Ultra-Slim (3.3mm thickness)
• Water & Oil Repellent: Yes (Nano-coating)
• Scratch Resistant: Yes (Nano-coating)
• Light Reduction: 1-2 Stops (approx.)
• Threading: Double-threaded (front and rear)
• Optical Purity: High-definition
• Color Fidelity: No color cast

Recommendations

For best results, use this filter with lenses that have a 49mm filter thread. The ultra-slim frame minimizes vignetting on wide-angle lenses. Store in a protective case when not in use to maintain the nano-coating integrity.