PolarPro ND4 | 4x5.65" Filter The PolarPro ND4 | 4x5.65" filter brings a new standard of quality and innovation to the world of 4x5 filters. Every filter in this series is encased with a tailor-made CNC aluminum frame, ensuring the glass is safeguarded against fingerprints, scratches, drops, or clamps. Laser etching is another remarkable feature on these filters, serving as a fast and accurate identification tool. This also effectively showcases the brand's active collaboration with industry professionals, such as Motion Clubhouse. Key Features of the PolarPro ND4 | 4x5.65" Filter It's an ND filter that blocks 2 stops of light - a perfect tool for controlling the light's intensity. Fully encased in a custom CNC aluminum frame, providing enhanced protection for the filter glass. Premium edge protection against injuries from matte box clamps and falls. Laser-etched filter identification on the front and top of each filter for quick and precise identification. Weighs 50% less than the industry-standard 4x5 filters, making it ideal for gimbal applications. Adheres to the industry-standard 4x5.65 format and is compatible with any matte box. What's in the Box? 1x PolarPro ND4 | 4x5.65" filter A protective soft case