Blue and Green Filters

BLF - GRF

Blue and Green Filters
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BLF - GRF
A filter that transmits a specific wavelength at green from blue, and cuts off other wavelengths in the visible range. It is used to select blue or green wavelength from a light emission or select a specific wavelength from multi-wavelengths.
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Blue Filter 50mm 390nm
BLF-50S-390B
50mm x 50mm
in stock
$74.00
Dimensions 50 × 50mm
Thickness 2.5mm
Material Glass (containing a substance of optical absorption)
Color tone Blue
Center wavelenght 390nm
Transmittance for center wavelength >78%
Absorption limit short wavelength 309nm
Transmittance at short absorption limit <5%
Absorption limit long wavelength 528nm
Transmittance at longt absorption limit <0.1%
Average Transmittance <br>(absorption limit long wavelength − 700nm) <0.1%
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Blue Filter 50mm 460nm
BLF-50S-460B
50mm x 50mm
in stock
$74.00
Dimensions 50 × 50mm
Thickness 2.5mm
Material Glass (containing a substance of optical absorption)
Color tone Blue
Center wavelenght 460nm
Transmittance for center wavelength >84.5%
Absorption limit short wavelength 324nm
Transmittance at short absorption limit <5%
Absorption limit long wavelength 718nm
Transmittance at longt absorption limit <1.0%
Average Transmittance <br>(absorption limit long wavelength − 700nm) <14%
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Glass Filter 50mm 541nm
GRF-50S-545G
50mm x 50mm
2 weeks
$77.00
Dimensions 50 × 50mm
Thickness 2.5mm
Material Glass (containing a substance of optical absorption)
Color tone Green
Center wavelenght 541nm
Transmittance for center wavelength >13%
Absorption limit short wavelength 483nm
Transmittance at short absorption limit <0.1%
Absorption limit long wavelength 621nm
Transmittance at longt absorption limit <0.1%
Average Transmittance <br>(absorption limit long wavelength − 700nm) <0.1%
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Blue Filter 50mm 410nm
BLF-50S-410B
50mm x 50mm
in stock
$74.00
Dimensions 50 × 50mm
Thickness 2.5mm
Material Glass (containing a substance of optical absorption)
Color tone Blue
Center wavelenght 410nm
Transmittance for center wavelength >92%
Absorption limit short wavelength 261nm
Transmittance at short absorption limit <1%
Absorption limit long wavelength 625nm
Transmittance at longt absorption limit <0.5%
Average Transmittance <br>(absorption limit long wavelength − 700nm) <5%
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Glass Filter 50mm 526nm
GRF-50S-530G
50mm x 50mm
2 weeks
$77.00
Dimensions 50 × 50mm
Thickness 2.5mm
Material Glass (containing a substance of optical absorption)
Color tone Green
Center wavelenght 526nm
Transmittance for center wavelength >15%
Absorption limit short wavelength 452nm
Transmittance at short absorption limit <0.1%
Absorption limit long wavelength 615nm
Transmittance at longt absorption limit <0.1%
Average Transmittance <br>(absorption limit long wavelength − 700nm) <0.1%
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Glass Filter 50mm 548nm
GRF-50S-550G
50mm x 50mm
2 weeks
$77.00
Dimensions 50 × 50mm
Thickness 2.5mm
Material Glass (containing a substance of optical absorption)
Color tone Green
Center wavelenght 548nm
Transmittance for center wavelength >80%
Absorption limit short wavelength 406nm
Transmittance at short absorption limit <0.1%
Absorption limit long wavelength 637nm
Transmittance at longt absorption limit <55%
Average Transmittance <br>(absorption limit long wavelength − 700nm) <55%
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Blue Filter 50mm 370nm
BLF-50S-370B
50mm x 50mm
in stock
$74.00
Dimensions 50 × 50mm
Thickness 2.5mm
Material Glass (containing a substance of optical absorption)
Color tone Blue
Center wavelenght 370nm
Transmittance for center wavelength >82%
Absorption limit short wavelength 289nm
Transmittance at short absorption limit <0.5%
Absorption limit long wavelength 486nm
Transmittance at longt absorption limit <0.1%
Average Transmittance <br>(absorption limit long wavelength − 700nm) <0.1%
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Blue Filter 50mm 440nm
BLF-50S-440B
50mm x 50mm
2 weeks
$74.00
Dimensions 50 × 50mm
Thickness 2.5mm
Material Glass (containing a substance of optical absorption)
Color tone Blue
Center wavelenght 440nm
Transmittance for center wavelength >44%
Absorption limit short wavelength 358nm
Transmittance at short absorption limit <1%
Absorption limit long wavelength 535nm
Transmittance at longt absorption limit <0.5%
Average Transmittance <br>(absorption limit long wavelength − 700nm) <0.3%
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Glass Filter 50mm 533nm
GRF-50S-533G
50mm x 50mm
2 weeks
$77.00
Dimensions 50 × 50mm
Thickness 2.5mm
Material Glass (containing a substance of optical absorption)
Color tone Green
Center wavelenght 533nm
Transmittance for center wavelength >50%
Absorption limit short wavelength 415nm
Transmittance at short absorption limit <0.1%
Absorption limit long wavelength 668nm
Transmittance at longt absorption limit <3.0%
Average Transmittance <br>(absorption limit long wavelength − 700nm) <3.0%

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◦A selection of different type of main wavelength and bandwidth from 370nm to 550nm.
◦To select a wavelength from a large bandwidth light.
◦By insertion of the filter into microscope or CCD camera will provide better contrast in a vision experiment.