HOYA CONTRAST FILTERS from Bes Optics, Inc. - Hoya contrast filters are intended to enhance contrast and are chiefly used in aircraft cockpits, radar screens, LED, and other CRT displays.


Hoya Contrast Filters


	Hoya contrast filters, used for monochrome and color CRT displays, are intended to enhance contrast. These filters are chiefly used in aircraft cockpits, radar screens, LED, plasma and other CRT displays. Contrast filters with various spectral characteristics tailored to the phosphor of your use, as well as multi-layer coatings to reduce reflection, can be supplied upon request.

Glass type	Transmittance at 555 nm	Use	Catalog thickness
AC-44	43%	For color CRT display (P-43 phosphor)	2.5 mm
AC-54	45%	For color CRT display (P-43 phosphor)	2.5 mm
AC-72	13%	For color CRT display (P-43 phosphor)	2.5 mm
AC-115	19%	For color CRT display (P-43 phosphor)	2.5 mm

Glass type	Highest Transmittance	Use	Catalog thickness
GV-545	12%	For monochrome CRT display	2.5 mm
GR-545	33%	For monochrome CRT display	2.5 mm


	Below are approximate spectral curves for the above filters


	For more information or prices on Hoya color filters please contact us.


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