1、Lens is made of premium optical glass, and processed with multiple coatings, resistant to water, oil, scratch , easy to clean and durable to use. 2、The lens is supported by high strength aluminum alloy frame for maximum durability, which can protect lens from shock. 3、Can control the amount of light enters the lens and increase the time of exposure so as to provide photographers with more freedom to achieve creative shooting. 4、Neutral density is 8, can avoid over exposure to help photographer take high quality photos. 5、Lightweight and portable, easy to carry and store, good accessory for photography lovers, especially good for outdoor use. Features: Lens is made of premium optical glass, and processed with multiple coatings, resistant to water, oil, scratch , easy to clean and durable to use. The lens is supported by high strength aluminum alloy frame for maximum durability, which can protect lens from shock. Can control the amount of light enters the lens and increase the time of exposure so as to provide photographers with more freedom to achieve creative shooting. Neutral density is 8, can avoid over exposure to help photographer take high quality photos. Lightweight and portable, easy to carry and store, good accessory for photography lovers, especially good for outdoor use. Specification: Material: Aluminum Alloy + Optical Glass Color: Shown as picture Suitable for DJI OSMO ACTION Size: Approx. 70*80*14mm/ 2.76* 3.15* 0.55inch Weight: Approx. 40g Package Included: 1 x ND 8 Filter