【Variable Neutral Density Camera Lens Filter】NEEWER 49mm True Colors Variable Neutral Density Filter for the camera lens is here to revolutionize your photography game with excellent abilities of greater control over exposure, shutter speeds, and apertures. Perfect for capturing landscapes such as stunning rivers, breathtaking waterfalls, and captivating light trails with fluid and soft look 【Precisely Positioned Hard Stops】Upgraded with hard stops at both ends to limit this VND filter within 1 to 8.6 Stops (about ND2 to ND400). Dialing to the exact marked stop allows you to achieve the desired precise ND level for a perfectly exposed shot. Note: The mechanism of variable ND filters is based on the principle of polarization. Using the maximum aperture may result in an X black cross due to the VND filter's interaction with certain lenses and focal lengths 【True to Life Vivid Color Reproduction】 This ND filter fulfills the True Colors effect to produce true to life color. Let you spend more time on creations rather than post processing for color correction 【Lightweight Aluminum Frame】 Firmly sealed with the ultra slim aluminum alloy frame, the filter delivers your desired effect with ease. The CNC precisely machining knurled ring ensures a secure grip for easy filter mounting and removal 【Multi Coated Premium HD Optical Glass】With multiple layers of coatings, the filter’s high definition optical glass can effectively reduce glare and reflection to capture vivid colors and manage contrast without losing image sharpness. In addition, it also protects against water, dust, oil, fingerprints, and scratches, making it easy to maintain and worry free in various environments and conditions