--- product_id: 675507385 title: "K&F CONCEPT 4\" x 5.65\" Black Diffusion 1/8 Filter Compatible with Matte Box" brand: "k&f concept" price: "2356 kr" currency: NOK in_stock: true reviews_count: 5 category: "K&F Concept" url: https://www.desertcart.no/products/675507385-k-and-f-concept-4-x-5-65-black-diffusion store_origin: NO region: Norway --- # 4" x 5.65" pro matte box fit Nano-coating: waterproof & scratch-resistant HD optical glass for 4K/8K clarity K&F CONCEPT 4" x 5.65" Black Diffusion 1/8 Filter Compatible with Matte Box **Brand:** k&f concept **Price:** 2356 kr **Availability:** ✅ In Stock ## Summary > 🎬 Elevate your visuals with subtle glow and pro-grade clarity! ## Quick Answers - **What is this?** K&F CONCEPT 4" x 5.65" Black Diffusion 1/8 Filter Compatible with Matte Box by k&f concept - **How much does it cost?** 2356 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/675507385-k-and-f-concept-4-x-5-65-black-diffusion) ## Best For - k&f concept enthusiasts ## Why This Product - Trusted k&f concept brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable Nano-Coatings:** Scratch, fingerprint, oil & water-resistant for rugged on-set reliability - • **Ultra-Low 0.2% Reflectivity:** Minimizes flare & ghosting for clean, controlled cinematic highlights - • **Subtle 1/8 Strength Diffusion:** Softens skin tones & highlights with a natural vintage glow—perfect for narrative & commercial shoots - • **Seamless Matte Box Compatibility:** Fits Tilta, SmallRig & standard 4"x5.65" matte boxes for instant pro setup - • **Crystal-Clear 4K/8K Optical Precision:** Imported HD glass with double-sided polish keeps your footage razor-sharp with subtle diffusion ## Overview The K&F CONCEPT 4" x 5.65" Black Diffusion 1/8 Filter is a premium cinema-grade optical glass filter designed for professional matte boxes. Engineered for 4K to 8K video, it delivers a delicate diffusion effect that softens highlights and skin tones without sacrificing sharpness. Featuring ultra-low 0.2% reflectivity and durable nano-coatings, it resists scratches, water, and fingerprints, ensuring pristine image quality on any shoot. Compatible with major matte box brands like Tilta and SmallRig, this filter is a must-have for filmmakers seeking a subtle cinematic polish. ## Description Elevate Your Cinematography with the K&F CONCEPT 4" x 5.65" Black Diffusion 1/8 Filter Designed specifically for the rigorous demands of professional filmmakers and run-and-gun videographers, the K&F CONCEPT 4x5.65 Black Diffusion 1/8 filter bridges the gap between premium optical performance and field-ready durability. Modern digital sensors and cinema lenses are incredibly sharp, sometimes resulting in footage that feels too clinical. This 1/8 diffusion filter provides an optimal balance for a highly understated look—taking the digital edge off gently while maintaining maximum image resolution and natural contrast. Why Choose a 1/8 Square Black Diffusion Filter? Unlike the heavier 1/4 variant, the 1/8 strength is infused with finer, less dense particulate materials. When dropped into your standard 4"x5.65" matte box, it creates a very mild, organic halation (bloom) around practical light sources without washing out your shadows. It also provides a delicate smoothing effect on skin textures, adding a touch of vintage character that feels entirely natural to the viewer's eye. Uncompromised 4K/8K Optical Fidelity Edge-to-Edge Clarity: Constructed from imported HD optical glass with double-sided polishing, it delivers exceptional sharpness. You get the beautiful, subtle diffusion characteristics without turning your high-resolution footage muddy. 0.2% Reflectivity for Clean Output: Stacking filters in a matte box can trap light and create disastrous ghosting. Our 0.2% reflectivity effectively minimizes internal flares, ensuring your blooming highlights remain clean and controlled. Built to Survive the Set: Finished with cutting-edge nano-coatings, this filter repels rain, sweat, and oily fingerprints. When dirt strikes, a quick wipe restores pristine clarity without leaving micro-scratches. Q: Will this fit my current camera rig? A: Yes! It features the industry-standard sizing and thickness compatible with any mainstream 4"x5.65" matte box tray system, making it a versatile creative tool for DSLR, mirrorless, and full-fledged cinema cameras. Review: Sanfte Diffusion für einen filmischen Look - Der Filter mildert harte Kontraste angenehm ab, ohne die Details komplett zu verwaschen. Die Filter lassen sich sauber in die Matte-Box einsetzen und die Verarbeitung wirkt hochwertig. Für Videoproduktionen mit filmischem Anspruch eine gute Ergänzung. Review: Great product - Works great , I think I want to get another one in a higher strength. But this one works perfect for a subtle blur. At night makes lights look nice a glowy. ## Features - Matte Box Black Mist 1/8 Filter: Engineered for professional video, this 4"x5.65" Black Mist 1/8 square filter mounts seamlessly into Tilta, SmallRig and standard matte boxes It provides a subtle diffusion effect to gently soften highlights and skin tones, perfect for retaining detail while adding a cinematic polish - HD Optical Glass for 4K/8K Video: Crafted from imported HD optical glass with double-sided polishing, it ensures minimal sharpness loss while delivering a delicate glow The filter meets the resolution demands of 4K, 6K and 8K video production - 0.2% Reflectivity for Cleaner Diffusion: With ultra-low 0.2% reflectivity, it minimizes internal reflections and flare This guarantees the subtle effect remains pure and free from optical interference - Durable & Easy-Maintain Coatings: Both sides feature nano-coating, making it scratch-resistant, waterproof, oil-proof and fingerprint-resistant The included leather pouch ensures safe storage and transport - Compatibility & Usage Notes: Designed exclusively for matte box use, it works with lenses of any focal length when mounted A versatile creative filter for interviews, commercials and narrative filmmaking - K&F CONCEPT is the world's No.1 brand in terms of lens filter online sales volume among camera-accessory-focused brands. Source: Euromonitor, 2024 data. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CQJYDS8F | | Best Sellers Rank | #18,485 in Electronics ( See Top 100 in Electronics ) #28 in Camera Lens Effects Filters | | Brand | K&F CONCEPT | | Coating Description | 28-layer coatings | | Coating description | 28-layer coatings | | Color | black | | Compatible Devices | Tilta, SmallRig | | Country of Origin | China | | Customer Reviews | 4.9 out of 5 stars 47 Reviews | | Enclosure Material | Optical Glass | | Item Dimensions L x W | 14.4L x 10.2W centimeters | | Item Highlight | Cinema Mist Diffuison Filter Compatible with Tilta, SmallRig Matte Box Ultra-Slim Optical Glass with 28-Multi Coatings-FM701 | | Item Weight | 334 Grams | | Manufacturer | Shenzhen Zhuoer Photograph | | Manufacturer Part Number | KF01.2452 | | Material | Optical Glass | | Media Type | ProductImage | | Number of Items | 1 | | Photo Filter Factor | 2 x | | Photo Filter Size | 4 Millimeters | | Photo filter effect type | Black Mist | | Photo filter thread size | 4 Millimeters | | Screen Size | 5.65 Inches | | Set Name | Nano-X | | Special Effect | Black Mist | | Thread Size | 4 Millimeters | | Unit Count | 1.0 Count | | Warranty Description | 2 Year Manufacturer | | Water Resistance Level | Waterproof | | Water resistance level | Waterproof | ## Product Details - **Brand:** K&F CONCEPT - **Coating description:** 28-layer coatings - **Material:** Optical Glass - **Photo filter effect type:** Black Mist - **Photo filter thread size:** 4 Millimeters ## Images ![K&F CONCEPT 4" x 5.65" Black Diffusion 1/8 Filter Compatible with Matte Box - Image 1](https://m.media-amazon.com/images/I/71sxbsiQmVL.jpg) ![K&F CONCEPT 4" x 5.65" Black Diffusion 1/8 Filter Compatible with Matte Box - Image 2](https://m.media-amazon.com/images/I/71nbJPG1NZL.jpg) ![K&F CONCEPT 4" x 5.65" Black Diffusion 1/8 Filter Compatible with Matte Box - Image 3](https://m.media-amazon.com/images/I/61ZCZv5ZzfL.jpg) ![K&F CONCEPT 4" x 5.65" Black Diffusion 1/8 Filter Compatible with Matte Box - Image 4](https://m.media-amazon.com/images/I/51J4PDuWAVL.jpg) ![K&F CONCEPT 4" x 5.65" Black Diffusion 1/8 Filter Compatible with Matte Box - Image 5](https://m.media-amazon.com/images/I/716uNJTpRML.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Sanfte Diffusion für einen filmischen Look *by L***A on 3 August 2026* Der Filter mildert harte Kontraste angenehm ab, ohne die Details komplett zu verwaschen. Die Filter lassen sich sauber in die Matte-Box einsetzen und die Verarbeitung wirkt hochwertig. Für Videoproduktionen mit filmischem Anspruch eine gute Ergänzung. ### ⭐⭐⭐⭐⭐ Great product *by C***E on 16 November 2025* Works great , I think I want to get another one in a higher strength. But this one works perfect for a subtle blur. At night makes lights look nice a glowy. ### ⭐⭐⭐⭐⭐ Great product. *by A***R on 31 December 2024* Produces a great effect. We'll made, value for money. Protective case it comes in is also great value for money and looks great. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.no/products/675507385-k-and-f-concept-4-x-5-65-black-diffusion](https://www.desertcart.no/products/675507385-k-and-f-concept-4-x-5-65-black-diffusion) --- *Product available on Desertcart Norway* *Store origin: NO* *Last updated: 2026-09-22*