Khronos Magnetic FSND 2.4 Filter for iPhone

The Tilta Khronos Magnetic FSND 2.4 Filter for iPhone is a purpose-built neutral density filter created for mobile filmmakers who want more precise exposure control from their smartphone camera setup. Designed to integrate with the Tilta Khronos magnetic filter system, this filter reduces incoming light by approximately 8 stops, making it especially useful when shooting outdoors in bright daylight or high-contrast scenes.

By cutting light transmission, the FSND 2.4 filter helps iPhone videographers maintain more natural shutter speeds for smoother motion rendering and a more cinematic look. Rather than forcing the phone to use extremely fast shutter speeds in bright light, the filter lets creators preserve motion blur and a more polished visual style for social content, commercial work, travel videos, documentaries, and behind-the-scenes capture.

Compatible With

• Tilta Khronos iPhone mobile filmmaking system
• Khronos magnetic filter-compatible iPhone case and filter tray setups

Neutral Density Performance

FSND 2.4 corresponds to a strong fixed neutral density level, commonly understood as roughly 8 stops of light reduction. This makes it a practical choice for creators shooting under direct sun or in other bright environments where smartphones would otherwise push exposure settings too far. With reduced light entering the lens, you gain more control over highlight retention, shutter behavior, and the overall character of your footage.

Built for Mobile Filmmaking

Unlike traditional threaded filters made for interchangeable camera lenses, this model is tailored to Tilta's Khronos magnetic iPhone platform. That means quicker attachment, cleaner integration, and a more streamlined rig for handheld shooting, cage-based setups, or content creation on the move. The magnetic design is especially valuable for fast-paced production, where changing light conditions can require immediate filter changes.

Why Use an ND Filter on iPhone?

Modern smartphones are capable of impressive video quality, but bright environments can limit creative control. An ND filter helps solve that problem by reducing excessive light before it reaches the camera. This enables more filmic motion blur, reduces the harsh look caused by very fast shutter speeds, and helps keep footage visually consistent. For creators who shoot reels, vlogs, interviews, product videos, or cinematic B-roll on iPhone, an ND filter can make a noticeable difference.

Magnetic Convenience

The magnetic mounting concept is one of the key advantages of the Khronos ecosystem. Instead of threading filters on and off, you can quickly position or swap the filter as needed. This is particularly useful for hybrid creators moving between indoor and outdoor scenes, documenting live events, or capturing travel footage when speed matters. It also makes the mobile rig feel more like a dedicated cinema-oriented tool.

Ideal Use Cases

This filter is well suited for daylight video capture, street cinematography, travel filmmaking, social media production, run-and-gun interviews, and branded content creation. If you shoot in strong sun and want better control over the visual feel of your footage, the FSND 2.4 strength is a smart option within a mobile-first production kit.

Recommended Accessories

For the best experience, pair this filter with a Tilta Khronos iPhone case or cage, compatible magnetic filter tray or mounting system, a handheld grip, a compact LED light for fill, a mobile microphone, and a tripod or gimbal for stable footage. These accessories can turn an iPhone into a much more capable production platform for both professional and enthusiast creators.

Product Positioning

The Khronos Magnetic FSND 2.4 Filter is ideal for creators who want a cleaner and faster alternative to improvised smartphone filtration. Compared with universal clip-on filters, a dedicated magnetic solution generally offers better integration, quicker changes, and a more secure fit within a broader filmmaking ecosystem. For users already invested in Tilta's Khronos platform, this filter is a natural addition for brighter shooting environments.