PolarPro Quartzline FX Filter - Fog for 77mm 1/4 lenses adds a moody atmosphere to everyday light, eliminating the excessively harsh image produced by today's digital sensors. High-quality materials ensure durability and resistance to damage, allowing you to work even in the toughest conditions. With the touch mechanism, you can quickly adjust settings without taking your eyes off the shot. The combination of light diffusion effect and adjustable darkness in a slim frame gives your footage a cinematic touch. The filter features a secure locking mechanism for the aperture range, enabling you to easily control exposure and capture dreamy shots. Protective case: You don't have to worry about your filter getting damaged. It comes with a secure case made from robust materials that protects against impacts and falls, and is also waterproof. You can safeguard your filter.