Multi Gear Adjustment: After installing the filter, you can rotate the filter gear to adjust the gear according to the needs of the scene, eliminating the tedious steps of disassembling and installing the filter. Multi Layer Coating: Using double sided multi layer nano coating process, making the lens filter waterproof, oil proof, dirt proof, anti scratch performance. ND2‑5 Stop: ND2‑5 filter can reduce the amount of incoming light to ensure the correct value of exposure and facilitate the user to accurately adjust the shutter speed, making the video feel more , suitable for outdoor video shooting under strong light conditions. ND5‑9 Stop: ND5‑9 filter reduces the amount of incoming light to ensure the correct value of exposure, light ratio balance, and increase motion blur in time lapse photography. Suitable for outdoor bright light conditions shooting slow door motion blur photos use. Fine Workmanship: The ND filter is made of aviation aluminum frame, engraving without fading, black matte frame to prevent ghosting from light leakage.