67MM, ND3-1000, ultra-thin variable ND, Waterproof, Green Coated K&F Concept

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K&F Concept 67mm Ultra-Thin Variable ND Filter (ND3–ND1000) – Professional-grade variable neutral density filter with high-quality Japanese optical glass, 1.5–10 stop light reduction, and double-sided multi-layer waterproof green coating. The ultra-slim 7.4mm CNC frame prevents vignetting and ensures crystal-clear, reflection-free images even in bright conditions.

The K&F Concept 67mm Ultra-Thin Variable ND Filter (ND3–ND1000) is an advanced variable neutral density filter designed for photographers and filmmakers who demand precision, clarity, and versatility. This filter allows seamless control of light from 1.5 to 10 stops, making it ideal for shooting in bright sunlight, achieving motion blur, or extending exposure times for creative effects.

Constructed from premium Japanese optical glass, the filter ensures high-definition image quality with minimal color shift or distortion. Its multi-layer green nano coating effectively reduces reflections, resists water, oil, and scratches, and minimizes ghosting or flare — even under strong lighting conditions.

The ultra-thin 7.4mm CNC aluminum frame is both durable and lightweight, featuring a non-slip edge design for easy attachment and removal. This slim design effectively eliminates vignetting, making it perfect for use with wide-angle lenses.

With its robust construction and precise optical performance, the K&F Concept ND3–ND1000 filter is an essential tool for professionals seeking smooth exposure transitions and cinematic-quality results in any environment.

Key Features:

• ND3–ND1000 (1.5–10 Stops) Variable Light Control – Perfect for long-exposure photography, motion blur effects, and bright daylight shooting.

• Premium Japanese Optical Glass – Provides superior image clarity with no loss of detail or color accuracy.

• Double-Sided Multi-Layer Green Coating – Reduces reflections and ensures water, oil, and scratch resistance.

• Ultra-Thin 7.4mm Frame – Prevents vignetting, ideal for wide-angle lenses.

• CNC Non-Slip Aluminum Frame – Lightweight, durable, and easy to install or remove.

• Waterproof and Dustproof Design – Reliable for outdoor and professional use.

• Universal Compatibility – Fits any 67mm lens; please confirm lens thread size before purchase.

Specifications:

• Filter Type: Variable ND (ND3–ND1000)

• Light Reduction: 1.5 to 10 stops

• Glass Material: Japanese Optical Glass

• Coating: Double-Sided Multi-Layer Nano (Green)

• Frame Material: CNC Aluminum Alloy

• Frame Thickness: 7.4mm

• Thread Size: 67mm

• Water / Oil / Scratch Resistance: Yes

• Anti-Reflection: Yes

• Rotatable: 360° for Smooth Adjustment

Package Includes:

• 1 × K&F Concept 67mm Variable ND Filter (ND3–ND1000)

• 1 × Protective Filter Case