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Template:POTD/2009-10-23
Picture of the day archives
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2009 October
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Picture of the day
A photo of Strickland Falls in
Tasmania
,
Australia
, taken using a
neutral density filter
. ND filters reduce
light
of all
colors
or
wavelengths
equally, allowing an increase in
aperture
and decrease in
shutter speed
without
overexposing
the image. To create the
motion blur
seen here, the
shutter
must be kept open for a relatively long time, making it necessary to reduce the amount of light coming through the
lens
.
Photo credit:
Noodle snacks
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