Freewell filter set for DJI O4 Air Unit Pro

Freewell Filter Set for DJI O4 Air Unit Pro

The Freewell ND filter set for DJI O4 Air Unit Pro is a must-have upgrade for FPV pilots and aerial creators who want cleaner footage, better exposure control, and a more cinematic look in bright conditions. Inside the set, you’ll find four essential filters — ND8, ND16, ND32, and ND64 — designed to reduce the amount of light entering the lens, helping you capture smoother motion, balanced exposure, and natural-looking colors.

Made from high-quality optical glass, these filters deliver sharp image quality and reliable color accuracy. Their lightweight, precision-engineered design ensures a secure fit on the DJI O4 Air Unit Pro without affecting camera balance or gimbal performance. If you want to get the most out of your FPV setup, this is a smart addition to your gear bag.

Tailored Fit and Full Compatibility

Designed specifically for the DJI O4 Air Unit Pro, these filters offer a precise fit and dependable performance in flight. Installation and removal are quick and hassle-free, so you can adapt to changing light conditions in seconds. The compact, lightweight construction works seamlessly with the camera system, without interfering with aerodynamics or gimbal operation.

Reliable Exposure Control in Bright Light

With four ND strength options included, this set makes it easy to match your filter to the shooting environment. Whether you're flying in mild daylight or intense sun, ND8, ND16, ND32, and ND64 help reduce overexposure and improve motion blur for a more professional, film-like result.

• ND8 – ideal for moderately bright conditions
• ND16 – great for sunny days
• ND32 – useful in very bright environments
• ND64 – best for intense sunlight and maximum light reduction

Premium Optical Glass and True-to-Life Colors

Freewell uses premium optical glass to maintain excellent clarity and detail in every shot. The filters are designed to preserve natural color reproduction while minimizing unwanted color shifts, so your footage stays clean, sharp, and consistent. It’s a great choice for creators who care about both image quality and post-production flexibility.

Lightweight, Durable, and Ready for FPV Action

In FPV flying, every gram matters. That’s why each filter is built with an ultra-light frame that won’t upset the balance of your setup. Protective coatings help shield the surface from dust, fingerprints, and scratches, making the filters well suited for regular outdoor use. Durable, easy to handle, and travel-friendly, they’re made for creators who shoot often and expect dependable performance every time.

Key Features

• Designed for DJI O4 Air Unit Pro
• Includes 4 ND filters: ND8, ND16, ND32, and ND64
• Helps achieve smoother, more cinematic footage
• Reduces overexposure in bright outdoor conditions
• Made from premium optical glass
• Natural color reproduction and high image clarity
• Lightweight design that does not affect gimbal performance
• Protective coating against dust, scratches, and fingerprints
• Quick and convenient installation

In the Box

• ND8 filter
• ND16 filter
• ND32 filter
• ND64 filter
• Protective filter case
• Cleaning cloth