K&F 40.5MM CPL Filter True Color Circular Polarizers Filter with 28 Multi-Layer Coatings for Camera Lens K&F Concept

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The K&F Concept 40.5mm True Color CPL Filter removes reflections, enhances colors, and improves contrast using titanium coating technology for accurate color reproduction. Built with Japanese AGC optical glass and 28-layer nano-coating, it ensures UHD clarity, durability, and smooth rotation with its CNC-machined frame.

The K&F Concept 40.5mm True Color CPL Filter is crafted for photographers who demand both precision and color accuracy. Designed to eliminate reflections from water, glass, and other non-metallic surfaces, this CPL enhances skies, enriches colors, and improves overall contrast for vibrant outdoor imagery. Utilizing advanced titanium coating technology, it ensures true-to-life color reproduction without the partial-yellow shift common in standard polarizers.

Constructed with premium Japanese AGC optical glass, the filter is double-side polished to achieve ultra-high-definition clarity with no loss in image sharpness. Its 28-layer nano-coating provides waterproof, scratch-resistant, and oil-resistant performance while offering 45% transmittance and removing up to 99.10% of polarized light. The CNC trapezoidal aluminum frame enhances grip and allows smooth, precise rotation, making installation and removal effortless. Slim and lightweight, it also minimizes vignetting on wide-angle lenses.

Key Features:

• Removes reflections from glass, water & other non-metallic surfaces
• Enhances sky contrast, saturation, and overall color quality
• Titanium coating prevents partial-yellow discoloration
• Japanese AGC optical glass with ultra-high-definition clarity
• 28-layer double-sided nano-coating
• Waterproof, scratch-resistant & oil-resistant
• 45% transmittance; removes 99.10% of polarized light
• CNC trapezoidal frame for secure grip and smooth rotation
• Slim design helps prevent vignetting

• 1 × K&F Concept 40.5mm True Color CPL Filter

• Filter Type: Circular Polarizer (CPL)
• Thread Size: 40.5mm
• Glass Material: Japanese AGC optical glass
• Coating: 28-layer nano-coating, waterproof & scratch-resistant
• Light Transmission: 45%
• Polarizing Efficiency: 99.10%
• Frame Material: Aluminum alloy, CNC trapezoidal design