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    Bandpass Filter
    Black -Transmits UV
    Black -Transmits IR
    Blue-voiolet - Transmits UV/Red
    Blue-green - Absobs Red
    Blue - Absorbs Red
    Blue-voiolet - Absorbs Red
    Colored Glass Filter
    Green - Transmits Green
    Green - Transmits Green II
    Heat Absorbing Filter
    Cutoff Filters
    Short-wave Cutoff Filters
    Metallic Neutral Density Filters
    Absorbing Neutral Density Filter
    Neutal Density Filter Sets
    Interference Filter
    Optical Spectrometer
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Bandpass Filter
Black transmits UV
Black transmits IR
Blue-violet transmits UV & red
Blue-green absorbs red
Blue absorbs red
Blue-violet absorbs red
Colored Glass Filters
Green Transmits green
Green Transmits green 1
Heat absorbing filter transmits visible & violet
cutoff filters
short-wave cutoff filters
metallic neutral density filters
absorbing neutral density filters
Neutral density filter sets
Interference filter
Optical Spectrometer
 
large or small-volume (under 20) production of color filters in different shapes to meet your needs
Band-pass filters by a combination long-pass or short-pass color filters with proper coating
Schott glass filters or equivalents