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Unformatted text preview: Photographic Filters 30/01/2008 15:34:00 Filters remove part of light incident upon them by absorption, or reflection, so transmitted radiation is desired spectral quality Reflected - Absorbed - RAT Transmitted How filters work Transmits its own color Absorbs all others Also alters exposure |----- Red -> | White light | ----- Green ------(Green filter)----> |----- Blue -> | Maxwell Triangle General Rule Filter will lighten subjects of the same color and those adjacent to it. o Ex: yellow filter will lighten yellow, red, and green Filter Classification Selective by wavelength (color filter) Non selective by wavelength (neutral density filter) Selective by angle of polarization (polarizing filter) linear, circular (digital...
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This note was uploaded on 04/21/2008 for the course M&P 072 taught by Professor Salvaggio during the Winter '07 term at RIT.
- Winter '07