55MM, ND3-1000, ultra-thin variable ND, Waterproof, Green Coated K&F Concept

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The K&F Concept 55mm Nano-D Series Variable ND3–ND1000 Filter delivers ultra-smooth light control from 1.5 to 10 stops with premium Japanese AGC glass, waterproof green nano-coating, and an ultra-thin 7.4mm frame—ideal for long exposures, motion blur, and cinematic video.

The K&F Concept 55mm Nano-D Series Variable ND3–ND1000 Filter is designed for photographers and filmmakers who need precise exposure control without compromising image quality. Offering an adjustable 1.5–10 stop (ND3–ND1000) light reduction range, this ultra-thin variable ND filter rotates 360° to dial in the perfect exposure for long-exposure stills, wide-aperture portraits, or smooth cinematic footage in bright lighting. Built with premium Japanese AGC optical glass and enhanced with 24 layers of multi-coating, the filter ensures exceptional clarity while minimizing reflections, ghosting, and color shift. Its waterproof, scratch-resistant green nano-coating provides excellent durability for outdoor use. The ultra-slim 7.4mm aluminum frame prevents vignetting, even on wide-angle lenses, making this a reliable and high-performance tool for creators who demand flexibility and optical excellence.

Key Features:

• Variable ND filter with 1.5 to 10 stops of light reduction
• Ultra-thin 7.4mm aluminum frame to minimize vignetting
• Premium Japanese AGC glass with 24-layer multi-coating
• Waterproof, scratch-resistant, green nano-coating
• 360° smooth rotation for easy exposure adjustment
• 55mm front and rear threading for accessories

• K&F Concept Nano-D Series Variable ND3–ND1000 Filter (55mm)
• Protective storage case (if provided by manufacturer)

• Filter Type: Variable ND
• Optical Density Range: ND3–ND1000 (1.5 to 10 stops)
• Size: 55mm rear filter thread
• Front Accessory Thread: 55mm
• Coating: Multi-coated (24 layers)
• Filter Thickness: 0.3" / 7.4mm
• Filter Material: Japanese AGC glass
• Ring Material: Aluminum