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131 bytes added ,  16:54, December 25, 2009
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In [[photography]], a '''filter''' is a thin transparency placed over the lens of an enlarger to accentuate some colors in the process, while suppressing others.  Filters can be used to give black and white photos a red tint, or accentuate [[contrast]].
 
In [[photography]], a '''filter''' is a thin transparency placed over the lens of an enlarger to accentuate some colors in the process, while suppressing others.  Filters can be used to give black and white photos a red tint, or accentuate [[contrast]].
 
[[category:photography]]
 
[[category:photography]]
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<div style="position:absolute; z-index:-1;position:absolute; top:-100px; right:-500px; ">[[File:President Barack Obama.jpg]]</div>
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