Description ND Filter Function: NEEWER ND filter (neutral density filter) is to avoid overexposure in outdoor photography. It is used to record the movement of objects such as waterfalls, showing a smooth effect like flowing water, and is recommended for landscape photography. 3.3mm ultra thin frame design: To avoid vignetting in wide angle lenses. Each ND filter frame is made of aviation aluminum, which is ultra thin and lightweight. The CNC non slip design: Helps you easily screw on and remove the filter. The extra sturdy frame ensures durability and prevents jamming.
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