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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 71-80 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
573FCD50 Orange Longpass - 50 50 1.1 573 - - 0
US$63.11
556FCD25 Magenta Notch 25 - - 0.7 - - 556 0
US$35.86
555FCD25 Magenta Notch 25 - - 0.7 - - 555 0
US$35.86
537FCD25 Magenta Notch 25 - - 0.3 - - 537 0
US$35.86
595FCD50 Deep Amber Longpass - 50 50 1.1 595 - - 0
US$63.11
570FCD50 Daylight Blue Longpass - 50 50 1.1 570 - - 0
US$63.11
528FCD50 Blue Longpass - 50 50 0.7 528 - - 0
US$63.11
590FCD50 Amber Longpass - 50 50 1.1 590 - - 0
US$63.11
548FCD25 Magenta Notch 25 - - 1.1 - - 548 0
US$35.86
545FCD27 Magenta Notch 25 - - 1.1 - - 545 0
US$35.86
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Colour Dichroic Filters

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