DJI ND8 Filter for Zenmuse X3 CP.BX.000080 Specification: Density: 0.9 F-Stop Reduction: 3 stops Transmittance: 1/8 Feature: The ND8 Filter for Zenmuse X3 from DJI reduces light reaching the camera's sensor by the equivalent of 3 stops. This enables slower shutter speeds for more realistic motion blur in video and helps avoid overexposure in bright conditions in photo and video. Note: This filter is designed specifically to fit the lens of the Zenmuse X3 camera. Product Highlights - Optical Density of 0.9 - Provides 3 Stops Light Reduction - 1/8 Light Transmittance - Enables Slower Shutter Speed - Helps Avoid Overexposure