Master Your Light: Unveiling the K&F Concept Nano-X Solid ND16 4x5.65 Matte box Filter

For the discerning, performance-inclined creator, the K&F Concept Nano-X Series Solid ND16 4x5.65” filter (model KF01.2449) stands as an indispensable tool for professional photography and cinema. This meticulously engineered rectangular glass filter integrates seamlessly with industry-standard 4x5.65-inch filter holders and matte box systems, offering a precise solution for managing excess light. Its primary function is to reduce the light reaching your camera's sensor by a controlled 4 stops (ND16 density), empowering you to achieve refined exposure control and creative effects in bright shooting environments without overcorrecting exposure. Crafted with 28 layers of advanced nanometer coatings, it boasts an ultra-low reflectivity of just 0.2%, alongside robust anti-glaring, anti-scratch, waterproof, and dust-proof properties. With full support for 8K Ultra HD resolutions, this K&F Concept filter embodies our engineering DNA, delivering unwavering optical clarity, exceptional durability, and reliable performance to overcome common workflow bottlenecks, ensuring your creative vision is captured with pristine fidelity.

Precision Exposure Control with ND16 Density
Achieving precise exposure control, irrespective of ambient light, is fundamental to cinematic and photographic artistry. The K&F Concept Nano-X Solid ND16 filter provides this mastery by reducing the light entering your lens by 4 stops, allowing only 1/16th of the original light intensity (approximately 6.25% transmission) to reach your camera sensor. This measured attenuation is particularly valuable for creators working in bright daylight, controlled outdoor environments, or well-lit locations where complete suppression of light is unnecessary, but exposure refinement is essential.

Instead of forcing the use of faster shutter speeds or stopping lenses down excessively, the ND16 filter allows you to maintain creative flexibility. You can confidently use wider apertures to achieve subject separation and pleasing background blur, or adhere to natural shutter speeds for smooth, cinematic motion when filming video. This level of light reduction helps prevent highlight clipping while preserving natural contrast, making it an excellent everyday neutral density option for a wide range of professional scenarios. The ND16 density strikes a practical balance between control and adaptability, ensuring exposure accuracy without compromising responsiveness to changing light conditions.

Engineered for Seamless Professional Integration
Tailored for the rigorous demands of professional cinema and high-end photography, the K&F Concept Nano-X Solid ND16 filter adheres strictly to the industry-standard 4x5.65-inch size. This precise dimension guarantees immediate and effortless integration with virtually all professional matte box systems and dedicated filter holders, eliminating the need for cumbersome adapters. For creators operating in fast-paced production environments, this standardisation is essential. The filter can be swiftly mounted and removed within popular matte box systems from manufacturers such as K&F Concept, ARRI, Bright Tangerine, or Tilta, preserving efficiency on set.

This focus on industry-standard compatibility reflects K&F Concept’s deep understanding of professional workflows, where reliability and interchangeability are paramount. Furthermore, in professional cinema, a solid ND filter like this ND16 is often preferred over variable ND alternatives due to its inherent optical consistency. Solid filters eliminate potential issues such as uneven density, cross-polarisation, or unpredictable colour shifts that can sometimes affect variable ND filters, particularly as density increases. This consistency ensures clean, repeatable results across multiple takes, supporting accurate colour grading and maintaining visual continuity throughout a production.

Unrivalled Optical Clarity: The Nano-X Advantage
The exceptional performance of the K&F Concept Nano-X Solid ND16 filter stems from its advanced optical design, meticulously engineered for uncompromised image quality. Fabricated from premium optical glass, this filter guarantees superior light transmission and impeccable colour neutrality, forming a pristine foundation for your captured light. Central to its optical performance are the 28 layers of state-of-the-art nanometer coatings. This multi-layer coating system dramatically reduces surface reflections to an ultra-low 0.2%, effectively suppressing glare, lens flares, and ghosting, even when shooting toward strong light sources or reflective surfaces.

The result is cleaner, higher-contrast images and video with preserved detail and tonal depth. K&F Concept’s commitment to optical purity ensures the filter maintains accurate colour reproduction, actively preventing colour casts or infrared contamination. Your footage retains natural, true-to-life colour, reducing the need for corrective work in post-production. Importantly, the Nano-X Solid ND16 filter fully supports video resolutions up to 8K Ultra HD, ensuring that even the most demanding high-resolution workflows benefit from maximum sharpness and clarity without optical compromise.

Built to Endure: Rugged Protection for Any Environment
Understanding the dynamic and often demanding nature of professional production, K&F Concept has fortified the Nano-X Solid ND16 filter with a comprehensive suite of protective features for long-term durability. A hardened anti-scratch coating forms a resilient protective layer, safeguarding the precision optical glass from minor abrasions encountered during handling, transport, and frequent filter changes. This protection preserves optical performance over time, even under intensive use.

Complementing this scratch resistance are waterproof and dust-proof properties enabled by the nanometer coatings. Water beads off the surface for easy cleaning, while dust and fine particles are less likely to adhere. This ensures dependable performance across varied environments, from coastal humidity to dusty outdoor locations. K&F Concept’s rigorous quality testing ensures every filter is built to withstand real-world professional conditions while maintaining consistent optical results throughout its service life.

Complete Package and Warranty
Your investment in the K&F Concept Nano-X Solid ND16 filter is supported by a thoughtfully assembled package designed for both immediate use and long-term protection. Included is a premium leatherette filter pouch, providing safe storage and transport while protecting the filter from scratches, dust, and minor impacts when not in use. This practical addition helps maintain the condition of the filter and supports efficient gear organisation.

K&F Concept stands firmly behind the quality and reliability of its products, which is why the Nano-X Solid ND16 filter is covered by a comprehensive 24-month limited warranty. This warranty protects against manufacturing defects and provides genuine peace of mind. Combined with the filter’s durable construction and easy maintenance, it reflects K&F Concept’s confidence in delivering professional-grade equipment designed to perform consistently over time.

Empower your creative vision and maintain full control over exposure with the K&F Concept Nano-X Solid ND16 4x5.65 Matte box Filter. Engineered for professional workflows, reliable optical performance, and long-term durability, this filter is a valuable addition to any filmmaker or photographer’s kit. Trust in K&F Concept’s commitment to precision and invest in optical tools that support your craft at every stage.

Frequently Asked Questions

Frequently Asked Questions:
Q: What does an ND16 filter density specifically mean for light transmission?
A: An ND16 filter reduces the light reaching your camera sensor by 4 stops, meaning it only allows 1/16th of the original light intensity to pass through. This translates to a light transmission of approximately 6.25%, offering balanced exposure control for bright outdoor conditions.

Q: How does this filter ensure colour accuracy and prevent colour shifts in professional productions?
A: The K&F Concept Nano-X Solid ND16 filter is engineered with high-quality optical glass and 28 layers of nanometer coatings, specifically designed to be colour neutral. This advanced coating process minimises infrared contamination and colour cast, ensuring your images and video footage retain true-to-life colours without requiring extensive post-production correction.

Q: What are the recommended cleaning methods to maintain the optimal performance of the nanometer coatings?
A: For best results, gently brush any loose dust off the filter with a soft, lint-free blower brush. Then, use a clean microfibre cloth designed for optics, along with a specialised lens cleaning solution. Wipe in a circular motion from the centre outwards. Avoid harsh chemicals or abrasive materials to preserve the integrity of the 28-layer nanometer coatings.

Q: Why might a fixed ND16 filter be preferred over a variable ND filter for professional cinema applications?
A: For professional cinema and photography, a solid ND filter like the ND16 offers superior optical consistency, eliminating potential X-pattern vignetting or colour shifts that can sometimes occur with variable ND filters at their maximum density. This ensures reliable, repeatable results and maintains image fidelity, which is crucial for high-stakes productions and seamless post-production workflows.

Q: Will using this ND16 filter introduce any noticeable loss of sharpness or resolution, especially when shooting 8K Ultra HD?
A: Absolutely not. The K&F Concept Nano-X Solid ND16 filter is crafted from premium optical glass with 28 layers of nanometer coatings and boasts an ultra-low reflectivity of 0.2%. These features collectively ensure that the filter maintains exceptional optical clarity and sharpness, fully supporting 8K Ultra HD video resolution without compromising image detail.

Technical Specifications:
• Product Type: Photographic Filter, Cinema Filter, Neutral Density Filter
• Series: Nano-X Series Filter (8k capture quality, 28-layer Nano Coatings, Scratch, Water and Dust resistant)
• Material: Glass
• Assembled Product Dimensions: 14.351 x 10.16 x 0.4 cm (L x W x H)
• Assembled Product Weight: 144 g
• Filter Density: ND16 (4 Stops)
• Coating Layers: 28 Nanometer Coatings
• Reflectivity: 0.2%
• Anti-glare: Yes
• Anti-scratch Coating: Yes
• Waterproof: Yes
• Dust Proof: Yes
• Max Video Resolution Support: 8K Ultra HD
• Frame Included: No
• Compatible Devices: 10.16 x 14.351 cm Filter Holder, Matte Box
• Easy Cleaning: Yes
• Warranty Period: 24 months
• Warranty Type: Limited