The PRO ND series is a high neutral ND (dimming) filter manufactured by applying special coating with vacuum vapor -deposited technology.Reduces only the amount of light without affecting the color of the subject. The ND200 reduces the amount of light to 1/200, 7.7 aperture. Using a high -concentration ND filter, the light shutter is possible by reducing light, and the effect of Motion Blur (Motion Blur *) can be intentionally added.The flow of the mountain stream can be softened like silk, and the speed and sense of movement of the subject with movement can be effectively expressed.In the case of video shooting, it is possible to open the aperture in the fine weather and blur the background. * By exposure for a long time, the moving subject is intentionally blurred.- asbestos non -containing ROHS Directive non -support J-Moss non -support Environmental Self -assertion mark Other environments and safety standards Radio Law Reference Because it does not emit radio waves Telecommunications Business Law Because it does not connect to a public line Electrical Equipment Safety Law Remarks Because no electricity Radio Law non -target Telecommunications Business Law non -target Electrical Appliance Safety Law non -target Legal Related Confirmation Date 20130822