K&F Concept Nano-X Black Diffusion filter 1/4 67 mm

The K&F Concept Nano-X Black Diffusion Filter 1/4 is a premium optical filter designed to add a cinematic, dreamy effect to your photos and videos. Crafted with Japanese AGC optical glass and aviation aluminum alloy frame, this filter softens highlights, reduces contrast, and creates a subtle glow while maintaining minimal color shift. The 28-layer Nano-X multi-coating ensures water, oil, and scratch resistance, making it ideal for professional use.

Advantages

This filter delivers a consistent 1/4 diffusion strength, perfect for portrait and videography work. The ultra-slim 3.3mm frame prevents vignetting on wide-angle lenses, and the double-sided threads allow stacking with other filters. With 84% light transmission, it balances diffusion without excessive light loss.

Suitable for

• Portrait photographers seeking a soft, flattering look
• Videographers aiming for a cinematic haze effect
• Creative photographers wanting to reduce contrast and add glow
• Lenses with 67mm filter thread

Key specifications

• Filter Type: Black Diffusion
• Diffusion Strength: 1/4
• Filter Diameter: 67 mm
• Optical Material: Japanese AGC Optical Glass
• Frame Material: Aviation Aluminum Alloy
• Coating: 28-Layer Nano-X Multi-Coating
• Water, Oil, Scratch Resistant: Yes
• Light Transmission: 84%
• Frame Thickness: 3.3 mm
• Thread Type: Double-sided
• Color Shift: Minimal
• Anti-reflection: Yes

Recommendations

For best results, use with a lens hood to minimize flare. Combine with a UV or clear protection filter for added safety. Ideal for outdoor and studio environments.