Neutral Density filters have several uses and offer the possibility to achieve otherwise unachievable results. ND filters appear gray and reduce the amount of light reaching the film or sensor. They have no effect on color balance.
Their primary uses are:
- To enable slower shutter speeds to be used, to record movement or motion blur in subjects such as waterfalls, clouds, or cars.
- To decrease depth of field by allowing wider apertures to be used, which helps separate subjects from their background and improve bokeh. The ND8 will reduce the light transmission by 3 stops.
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NDx2 |
NDx4 |
NDx8 |
Shutter Speed/
Aperture Decrease |
1 Stop |
2 Stops |
3 Stops |
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