K&F Concept Nano-X MRC Circular Polarizer Filter 40.5mm

The K&F Concept Nano-X MRC Circular Polarizer Filter is a premium optical accessory designed for photographers seeking to enhance image quality directly in-camera. With a 40.5mm thread, it fits a wide range of lenses. The filter reduces reflections, deepens blue skies, and increases color saturation and contrast, all while maintaining high-definition clarity.

Advantages

This CPL filter eliminates unwanted glare from non-metallic surfaces such as water, glass, and foliage, allowing you to capture richer, more vibrant images. The multi-resistant coating (MRC) protects the glass from scratches, water, oil, and dust, ensuring long-lasting performance. The ultra-slim frame (4.3mm) prevents vignetting on wide-angle lenses, and the double-threaded design allows for stacking other filters.

Suitable for

• Landscape photography to enhance sky and foliage colors
• Water and glass photography to reduce reflections
• Outdoor portraits to improve skin tones and background contrast
• Any lens with a 40.5mm filter thread

Key specifications

• Filter Type: Circular Polarizer (CPL)
• Filter Diameter: 40.5mm
• Series: Nano-X
• Coating: Multi-Resistant Coating (MRC), 28 layers
• Glass Material: Japanese AGC Optical Glass
• Frame Material: Aerospace-grade Aluminum Alloy
• Frame Thickness: 4.3mm (ultra-slim)
• Water-Repellent: Yes
• Oil-Repellent: Yes
• Scratch-Resistant: Yes
• Anti-Reflection: Yes
• Light Transmittance: >99.6%
• Polarization Ratio: 99.9%
• Thread Type: Double-threaded
• Optical Clarity: High-definition (HD)

Recommendations

For best results, use this filter in bright outdoor conditions. Rotate the front ring to adjust polarization effect. Compatible with lenses featuring a 40.5mm filter thread. Store in the provided case to protect the coating.