This 6-stop Freewell Magnetic IRND Filter 6-Stopprovides neutral darkening to your entire frame, including cutting invisible IR wavelengths that can otherwise contaminate your image turning dark areas brown. It is specifically designed for and only compatible with the Eiger Matte Box Filter System. By reducing the amount of light entering your lens, it allows you to adjust your camera's iris setting for reduced depth of field or to shoot at a slower shutter speed, while maintaining proper exposure. Each Freewell filter features, multi-layer coatings that make it resistant to dust, scratches, water, and oil. It is specifically designed for and only compatible with the Eiger Matte Box Filter System.

1.8 Optical Density    Multi-Layer Coating    Dust, Scratch, Water & Oil Resistant    For Eiger Matte Box System

Related Questions and Answers

Q: 1. Are this filters compatible with the Gopro original waterproof housing? Can I use them together?

A: Then Freewell 4K Series Standard Day Filter Set for GoPro HERO12/11/10/9 Black (4-Pack) are listed as only compatible with the HERO12/11/10/9 Black cameras.

Q: 2. What's the largest screw-on filter that will fit in this case?

A: It's smallest interior dimension is 4" (100mm), which makes the largest screw-on filter possibly a 95mm.

Q: 3. When using this FW-H9B-CPL - keeps the GoPro hero 9 usable under water?

A: When adding the Freewell Circular Polarizer CPL Lens Filter for HERO9 Black to your GoPro Hero 9, your camera is no longer sealed for submerging underwater.

Q: 4. Will this fit my samsung galaxy s24 ultra phone in its otter box case? Thanks, Betty

A: Yes, the Freewell Bluetooth Smartphone Selfie Grip, B&H # FRFWSHGRIP, is compatible with a Samsung Galaxy S24 Ultra.

Q: 5. Is this compatible with the Hero 8 Black?

A: The Freewell 4K Series Bright Day Filter Set for GoPro HERO9 Black will not work for the Hero 8 Black.

Q: 6. What is the width of the clamp? iPhone 16 Pro Max has many buttons on both edges.

A: The clamp of the Freewell Bluetooth Smartphone Selfie Grip, B&H # FRFWSHGRIP, is approximately 1'' wide. It can work with the iPhone Pro Max without interfering with any of the buttons on the side.

Q: 7. Does it fit on the original camera lens or does it replace it?

A: The Freewell ND64/PL Hybrid Camera Lens Filter for HERO9 Black will replace the current Gopro Hero 9 protective filter.

Q: 8. Will this work with GoPro11?

A: Yes. The Freewell 4K Series Bright Day Filter Set for GoPro HERO9/HERO10 Black (4-Pack) will work with the GoPro Hero 11.

Q: 9. Can you use these in water? Like at the beach.

A: The Freewell 4K Series Standard Day Filter Set for GoPro HERO10/HERO9 Black can be used in water as the filters are Water-/Dust-/Oil-/Scratch-Proof Coating.

Q: 10. Can a motor be put on the VND gear?

A: The VND gear on the Freewell Eiger Matte Box is meant to be a manual finger wheel. There is currently no motor for it.