Neutral Density filters can be a photographers best friend when you want to get creative with depth of field or long exposures but there is simply too much ambient light. Take for example that gorgeous waterfall that you want to use a longer exposure with to get that silky look to the water. To get that look we need to use an exposure of 1/2 a second. If We use the Sunny 16 Rule, the right exposure would be ISO 100, 1/100th shutter, and f/16. But if we wanted 1/2 second exposure, we cant take our ISO down anymore (on most cameras) and if we crank our aperture to the maximum of f/32, we only gain one stop which would take us down to 1/50th of a second, nowhere near slow enough to smooth out that water. However, slap a Neutral Density filter on the camera that can block 4 stops of light and you are right where you want to be to get the shot.
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Read the original post at Why You Need a Neutral Density Filter (498 words)
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Post tags: exposure, Filters, ISO, Neutral Density, shooting, shutter
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