If you are looking for Neutral Density Camera Lens Filter， this Neutral Density Camera Lens Filter is a perfect choice! Lens filters protect your camera without affecting overall color balance. This is a 55mm Neutral Density ND2 Camera Lens Filter. The filters can be used to prevent strong overexposure even when using a slow shutter speed. Allows for slower shutter speeds when blurring or showering of movement is desired .Four main uses: enables slow shutter speeds to be used， especially with high-speed films， allowing film to record movement in subjects such as waterfalls， clouds， or cars; decrease depth of field by allowing wider apertures to be used， in turn helping to separate subjects from their background; decrease the effective ISO of high-speed film (above ISO 400) and allow it to be used outdoors in bright situations; to allow picture and video cameras (which have fixed shutter speeds) to film subjects such as snow， sand or other bright scenes that can cause overexposure.                                    Features            Produce a slow-motion effect - control bright light and increase field depth with this lens filter<br>Camera filters allow you to improve contrast， saturation， sharpness and color balance<br>Enhance your photography with this lens filter<br>Filters remove reflections from non-metallic surfaces like water and glass<br>Lens filters protect your camera without affecting overall color balance<br>Images appear clearer with better contrast and improved color saturation， such as with blue skies and white clouds<br>Filters also provide protection from the lens and are ideal for digital and traditional 55mm cameras<br>ND2: Reduce one gear of the aperture， average transmittance of 50%<br>ND4: Reduce two gear of the aperture， average transmittance of 25%<br>ND8: Reduce three gear of the aperture， average transmittance of 12.5%<br>Diameter: 55mm<br>Color: Black<br>                                                                                                Package Includes            1 x 55mm Neutral Density ND2 Filter<br>