***** ********** *****Optical
Glass: 16Layers premium multicoated optical glass Waterproof, Scratchproof, Dustproof, Oilproof*****
*****Construction: Gimbal Safe aircraft grade super lightweight CNC aluminum construction frame***** *****What's is included: ND8*****
*****Installation: Efficient SCREW-ON system for easily attaching/detaching***** *****Compatible with DJI Osmo Action Camera