Color Filter Glass : Products & Services

Blue Filters

Blue Filters transmit light in the blue spectrum and are named after the wavelength at which their transmittance attains the maximum value. They are used for 3-color separations, selection of wavelengths, and color compensation.

Color Filter Glass : Blue Filter Data
print-friendly data tabledefinition of terms
Item / Filter Type Standard Value Color Specification (Standard illuminants A) Thickness Reflective Index Chemical Properties Thermal Properties Mechanical Properties Specific Gravity
λT max (nm) T max (%) λS1 (nm) λl5 (nm) x y mm nd Dw DA Tg TS α -30/70 α 100/300 HK FA S
B-370 370±5 82±3 290< <480 0.176 0.019 2.5 - 2 1 480 570 45 48 570 70 2.36
B-390 390±5 78±3 310< <510 0.151 0.030 2.5 - 1 1 485 535 92 104 510 110 2.57
B-410 410±5 91±3 250< <600 0.194 0.351 2.5 1.468 3 4 410 500 70 79 420 120 2.27
B-440 440±5 47±3 350< <520 0.147 0.079 2.5 - 1 1 480 535 90 105 530 110 2.70
B-460 464±5 85±3 320< <700 0.273 0.402 2.5 1.530 2 1 505 555 94 109 540 110 2.60
print-friendly data table
λT max (nm): Wavelength for maximum transmittance
T max (%): Maximum transmittance
λS1 (nm): Less than 1% wavelength at short wave side
λl5 (nm): Less than 5% wavelength at long wave side

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Note: The listed data are standard value. Because of continuous product improvement, the various data listed are subject to change without notice.