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Old Aug 9, 2006, 7:32 PM   #1
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The usable range is so narrow that there's little functional purpose. For example, common usage is using a narrow apeture with slow shutter to visualize moving objects.

If you're using it outdoors on a sunny day and want to make things like car, waterfall and such appear moving, the aperture doesn't close down enough and even with ISO 80 setting, you can't use the shutter speed long enough for the desired effect without a serious over exposure.




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Old Aug 10, 2006, 12:57 AM   #2
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itsme000 wrote:
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The usable range is so narrow that there's little functional purpose. For example, common usage is using a narrow apeture with slow shutter to visualize moving objects.

If you're using it outdoors on a sunny day and want to make things like car, waterfall and such appear moving, the aperture doesn't close down enough and even with ISO 80 setting, you can't use the shutter speed long enough for the desired effect without a serious over exposure.

Thats why people buy ND filters - (neutral density)

Even using a polariser in a pinch will take a stop or two of light.
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