Stela RI PRO1 ND4 a specially designed glass filter that attaches to the front of your camera lens to reduce the amount of light that passes through it An ND4 Filter is a special filter designed to reduce the amount of light that passes through it and therefore, the amount of light that ends up on the camera’s sensor. It is essentially a darkened piece of glass that is designed not to change anything other than the quantity of light that passes through it. while ensuring that the color of the light or polarization of the light does not get affected. With the use of a ND4 filter a photographer can indulge in some creative effects such as using a wider aperture (for the depth of field effects) or a longer shutter speed (for time-based effects) than would not be possible otherwise. They are most useful in bright conditions where there is a lot of available light.
Please check your lens manual or lens box for the correct size as there are different size filters for different lenses and it is important to buy the one that is meant for your camera lens and not a random filter.
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