This 3-stop Freewell Magnetic IRND Filter 3-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.

0.9 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. Do the adapter rings, VND Base, VND1-5/CPL and VND6-9/ND32PL from the Freewell K2 filter system work with the Eiger Matte Box?

A: The Freewell Eiger Matte Box is only compatible with the following products. The Eiger Matte Box is not compatible with the K2. Compatible products for the Freewell Eiger: https://bit.ly/3Qyl69d

Q: 3. supporrt iphone 15 pro max with case ? thx for reply

A: Depending on the case, the Freewell Bluetooth Smartphone Selfie Grip may not support that combination.

Q: 4. Does each filter have an adjustable range? Why do they have a wheel?

A: The Freewell 4K Series Bright Day Filter Set for GoPro HERO9/HERO10 Black (4-Pack) are not adjustable in terms of ND but they can spin so that users can align the polarizer with the direction of the reflected light.

Q: 5. do the adapter rings that come with the mattebox fit the Panasonic 42.5mm 1.2 lens?

A: Yes, the Freewell Eiger Matte Box will come with a 67mm adapter ring, that will fit on the front thread of the Panasonic Leica DG Nocticron 42.5mm f/1.2 ASPH. POWER O.I.S. Lens

Q: 6. 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: 7. 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: 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. 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.