Elevate Your Cinematography with the K&F Concept Matt Box Pro

The K&F Concept Matte Box Pro is a compact, direct-to-lens matte box system designed for filmmakers who want professional light control and filter flexibility without the bulk, weight, or complexity of traditional rod-mounted rigs. Unlike conventional matte boxes that require a camera cage, shoulder rig, or 15 mm LWS rods, this system mounts directly onto your lens via threaded adapter rings. The result is a dramatically simplified setup that preserves the core benefits of a matte box while remaining fast to deploy, lightweight, and practical for modern run-and-gun video production.

For solo shooters, documentary filmmakers, and content creators working in dynamic environments, this direct-to-lens approach removes one of the biggest friction points in cinematography: rig overhead. There is no need to rebalance your camera, no rods to align, and no additional support hardware to transport. You mount it straight onto the lens you are using, lock it in place with the integrated rotation knob, and start shooting. This streamlined workflow allows you to move quickly between locations and lenses while still maintaining precise control over light and filtration.

At the heart of the Matte Box Pro is its adjustable flag system, which plays a critical role in achieving cleaner, more cinematic images. The extendable top flag and dual side flags are designed to physically block unwanted light from striking the front element of your lens. This is particularly important when shooting outdoors, near windows, or under strong artificial lighting, where stray light can cause contrast loss, washed-out blacks, and unpredictable lens flare. Unlike lens hoods, the flags can be individually positioned and angled to match the exact direction of incoming light, giving you far greater control over flare suppression and image contrast.

The use of carbon fibre for the main flap and flags ensures durability without unnecessary weight. Carbon fibre provides excellent rigidity, meaning the flags stay exactly where you position them, even when working handheld or moving between shots. At the same time, the low overall weight of the system (just 363 g) makes it suitable for extended handheld use, gimbal work, and compact mirrorless or DSLR camera builds where balance and operator fatigue matter.

Equally important is the matte box’s role as a professional filter platform. The K&F Concept Matte Box Pro includes two rectangular filter frames designed for industry-standard 4 × 5.65 inch (101.6 × 143.51 mm) filters. This allows you to use the same cinema-style filters across multiple lenses, rather than purchasing separate screw-in filters for every lens diameter. It also means you can position graduations and rotate the angle of a filter for additional control. In practice, this not only reduces long-term costs but also speeds up lens changes on set. You can stack filters such as ND and diffusion, or ND and polariser, to achieve precise exposure control and creative looks that would be difficult or inconvenient with threaded filters alone.

The included adapter rings (67 mm, 72 mm, 77 mm, 82 mm, and 95 mm) ensure compatibility with the majority of modern prime and zoom lenses used by mirrorless and DSLR shooters. The matte box locks onto these adapters using a secure knob-based mechanism, allowing controlled rotation when needed for graduated or directional filters. With a 105 mm internal opening and support for lenses as wide as 16 mm, the design minimises the risk of vignetting when used within the recommended focal lengths, making it suitable for wide establishing shots as well as tighter compositions.

Beyond light control and filtration, the Matte Box Pro is also designed to support compact accessory integration. Built-in mounting points include two 1/4-inch threads, one 3/8-inch thread, and a cold shoe slot. These allow you to attach essential accessories such as a small LED light, on-camera microphone, or wireless receiver directly to the matte box, reducing the need for additional cages or brackets. This is particularly useful when building lightweight rigs for travel, documentary work, or situations where minimal setup time is critical.

To protect the system and keep everything organised, the kit includes a hard-shell carry case that accommodates the matte box, filter frames, and adapter rings. This makes transport safer and more efficient, especially for shooters who frequently work on location. Keeping all components together also reduces setup time and minimises the risk of lost accessories when switching lenses or shooting environments.

In practical use, the K&F Concept Matte Box Pro bridges the gap between basic lens hoods and full cinema matte box systems. It offers real flare control, proper filter stacking, and professional light shaping in a form factor that suits modern mirrorless workflows. For filmmakers who want the visual benefits of a matte box without committing to a full rig, this direct-to-lens design delivers a balanced, efficient solution that improves both image quality and shooting efficiency.

Frequently Asked Questions

Frequently Asked Questions:
Q: What types of photographic filters can be used with this matte box.
A: This matte box is primarily designed to hold two standard 4x5.65 inch rectangular filters within its dedicated frames. K&F Concept sell a range of filter options as accessories for this product. All K&F Concept Rectangle filters are from the Nano-Xcel range made for high resolution capture and uncompromising quality.

Q: Does the K&F Matt Box Pro support standard 15mm LWS rod systems for additional rig stability?
A: This matte box is engineered as a lightweight, direct-to-lens solution, attaching securely to your lens via the provided adapter rings. It does not natively integrate with 15mm LWS rod systems. Its design prioritises portability and quick setup, offering sufficient stability for many professional handheld and tripod-mounted setups without the need for additional rod support.

Q: Beyond the carbon fibre main flap, what materials are used in the construction to ensure the matte box's overall durability and longevity?
A: While the main flap features lightweight yet exceptionally rigid carbon fibre for superior light blockage and impact resistance, the core body and other structural components are typically crafted from high-grade, durable materials designed to withstand the rigours of professional field use. This ensures the entire unit maintains its structural integrity and reliable performance over extended periods.

Q: How does the design of this matte box contribute to a faster and more efficient workflow during dynamic shooting scenarios?
A: The K&F Matt Box Pro is designed for speed and efficiency. Its knob-based lens adapter locking mechanism allows for rapid and secure attachment or detachment from your lens. The adapter stays attached to the lenses filter threads while the matte box can be completely removed or attached and locked into place with the locking knob. Coupled with the intuitively adjustable top and side flags, you can quickly adapt to changing light conditions on set. The rectangular filter frames are held in place or released by a lever, making locking or releasing 1 quick motion.

Q: What is the benefit of the matte box's 105mm aperture and 16mm minimum focal length support for wide-angle shooting?
A: The generous 105mm matte box aperture is specifically designed to prevent vignetting, even when employing large-diameter professional cinema lenses. The product's support for lenses from 16mm focal length and above ensures that you can capture expansive wide-angle shots without the matte box intruding into your frame and creating unwanted dark corners, providing a clear and unobstructed view.

Technical Specifications:
• Weight: 363 g
• Dimensions: 19.5 x 15.5 x 4.0 cm (L x W x H)
• Flag Material: Carbon Fiber
• Flags: Top with extension flaps and Two Sides
• Number of Filter Frames Included: 2
• Included Rectangle Frame Dimensions: 4x5.65 inch / 101.6x143.51mm
• Matte Box Aperture: 105 mm
• Minimum Focal Length (no dark corner vignetting): 16 mm
• Included Lens Adapter Ring Sizes: 67mm, 72mm, 77mm, 82mm, 95mm
• Available Extra Adapters: 49mm, 52mm, 55mm, 58mm and 62mm
• Top Flap Adjustment Angle Range: 0-135 degrees, 180 degrees
• Side Flap Adjustment Angle Range: 0-220 degrees
• Mounting Points: 2 x 1/4" Screw Hole, 1 x 3/8" Screw Hole, 1 x Cold Shoe Slot
• Lens Locking Mechanism: Knob