NEEWER 67 mm Variable ND Filter, ND2 400 (1 9 Stop) Adjustable Rotary Neutral Density Filter for Camera Lens in Multi Layer Optical Glass Exposure Balancing, 3 Cleaning Cloths

【Flexible Light Reduction】This variable ND2-400 filter reduces light by 1-9 stops. Avoid overexposure in different weather conditions and allows you to capture rivers, waterfalls and light trails with motion blur using long shutter times and wide apertures. Simply twist the frame onto the exact marks for precise exposure control Multi-layer optical glass: Multi-layer coatings (MRC) are resistant to water, dust, fingerprints, stains and scratches when shooting outdoors. Three daily cleaning cloths are included. 【Ultra Thin Knurled Frame】 The slim aluminum alloy frame with precision knurling made by CNC machined ensures smooth installation and removal of the filter. Ideal as an essential digital camera accessory for content creators and as a must-have photographic equipment for the influencer 【How to remove the X-pattern】A dark X-pattern (or X vignetting) may appear at the maximum ND value. This is common when the variable ND filter, with its two polarizing filters aligned at a specific angle, interacts with certain lenses and focal lengths. To solve the problem, reduce the ND values. 【Check Compatibility】This ND filter is only compatible with 67mm filter thread lenses, please check it in advance. It features a 72mm front thread to prevent vignetting and fits 72mm lens caps and lens hoods.