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Double Thread, 18-Layer super anti-reflection multi-coated with EVERCLEAR 5(WATER REPELLENT / ANTI-OIL / ANTI-DUST / ANTI-SOIL / SCRATCH RESISTANT) Coating Technology to withstand almost any conditions.
With Zomei Variable Density Neutral Gray filters, users can select the intensity from ND2 (1 f-stop) to ND400 (8+ f-stops) by rotating the front ring.
Nearly zero distortion when light go through this HD filter. With only 6.8mm thickness and made with no compromise, this Variable ND X Filter might be the thinnest and the best in the world.
Original Optical Glass
All Materials Used in this filter Meet the Requirements of European Union's standards of Environ Ment Protection-ROHS(Restrictions on Hazardous Substances).

Zomei HD Neutral Density filters are used to reduce the quantity of light that reaches the sensor of the camera.
They allow to decrease the shutter speed in order to achieve motion blur (waterfalls, ocean, clouds...) and/or to reduce depth of field in very bright conditions. As they are "neutral", ND filters do not affect color rendition.
With Zomei Variable Density Neutral Gray filters, users can select the intensity from ND2 (1 f-stop) to ND400 (8+ f-stops) by rotating the front ring.
NDX is the shortened form of "Adjustable Neutral Density”. The filter consists of two rotatable glass elements. Rotating the front element can ajust the entering light intensity, and hence achieving the adjustable ND effect.
LIMIT (Ultra-Thin Frame Design): The whole filter thickness is only 6.8mm (much slim than similar products in the market), which can minimize the generation of dark corners. HD: High Definition optical manufacturing technology, effectively prevents light distortion and highly retains image quality.