ND4 lens filters camera filter kit. : filter reduces the amount of light coming into the sensor,giving you the freedom to create your own work by allowing more conTBol of the cameras aperture,exposure time and sensor sensitivity settings. Adopted quality aviation aluminum alloy as frame and optical glass as lens that is durable. Small size and light weight, easy to carry around..Ideal for shooting and capturing professional quality images and videos. Filters is specifically designed for DJI Pocket camera. Specification: Type:ND4 Filter Material: Aviation Aluminum Alloy(Frame) + Optical Glass(Lens) Compatible with: for DJI Pocket Gimbal Stabilizer Camera Package Includes: 1 Piece Camera Lens Filter (ND4)