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、Star filter can create a special dreamy star effect by using the diffraction of light. 4、CPL filter can eliminate unnecessary polarized light, and make the whole picture more clear. 5、4pcs ND filter, neutral density is 4/8/16/32, can avoid over exposure to help photographer take high quality photos. 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. Star filter can create a special dreamy star effect by using the diffraction of light. CPL filter can eliminate unnecessary polarized light, and make the whole picture more clear. 4pcs ND filter, neutral density is 4/8/16/32, 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 Weight: Approx. 128g Package Included: 6 x Filter (CPL+ND4/816/32+Star)