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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 131-140 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
518FCD25 Yellow Longpass 25 - - 1.1 518 - - 0
US$35.86
593FCD25 Red Rose Longpass 25 - - 1.1 593 - - 0
US$35.86
646FCD25 Red Longpass 25 - - 1.1 646 - - 0
US$35.86
629FCD25 Red Longpass 25 - - 1.1 629 - - 0
US$35.86
609FCD25 Red Longpass 25 - - 0.7 609 - - 0
US$35.86
607FCD25 Red Longpass 25 - - 0.7 607 - - 0
US$35.86
605FCD25 Red Longpass 25 - - 1.1 605 - - 0
US$35.86
604FCD25 Red Longpass 25 - - 0.7 604 - - 0
US$35.86
603FCD26 Red Longpass 25 - - 1.1 603 - - 0
US$35.86
603FCD25 Red Longpass 25 - - 0.7 603 - - 0
US$35.86
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Colour Dichroic Filters

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