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Discover Knight Optical's high-performance dichroic colour filters, available in 25mm diameter and 50mm x 50mm squares. Our filters reflect unwanted light, ensuring superior transmission for industrial applications such as machine vision, digital projection, and entertainment lighting. Choose from vibrant colours such as red, blue, green, yellow, and more. These colour filters provide durable, fade-resistant performance with customisable options available to meet specific needs.

Material 

Dimensional tolerance

Wavelength accuracy 

Surface Quality

Borosilicate

± 0.1mm

< 500nm ± 5nm,  > 500nm ± 1%

< 80/50

All filters can be manufactured to custom dimensions. Custom wavelengths are also available. Please enquire with our technical sales team. 

Items 1-10 of 150

Name Colour Type Diameter (mm) Length (mm) Width (mm) Thickness (mm) Wavelength cut-on (nm) Wavelength cut-off (nm) CWL (nm) AOI (°) Price Buy
556FCD50 Magenta Notch - 50 50 0.7 - - 556 0
US$63.11
555FCD50 Magenta Notch - 50 50 0.7 - - 555 0
US$63.11
548FCD50 Magenta Notch - 50 50 1.1 - - 548 0
US$63.11
545FCD52 Magenta Notch - 50 50 1.1 - - 545 0
US$63.11
544FCD52 Magenta Notch - 50 50 1.1 - - 544 0
US$63.11
537FCD50 Magenta Notch - 50 50 0.3 - - 537 0
US$63.11
508FCD51 Magenta Notch - 50 50 1.1 - - 508 0
US$63.11
785FCD50 Blue Shortpass - 50 50 0.7 - 785 - 0
US$63.11
610FCD50 Red Shortpass - 50 50 1.1 - 610 - 0
US$63.11
590FCD51 Cyan Shortpass - 50 50 0.7 - 590 - 0
US$63.11
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Colour Dichroic Filters

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