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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 51-60 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
507FCD51 Green Bandpass - 50 50 1.1 - - 507 0
US$63.11
432FCD50 Blue Bandpass - 50 50 1.1 - - 432 0
US$63.11
518FCD50 Yellow Longpass - 50 50 1.1 518 - - 0
US$63.11
507FCD50 Yellow Longpass - 50 50 0.7 507 - - 0
US$63.11
503FCD50 Yellow Longpass - 50 50 0.7 503 - - 0
US$63.11
487FCD50 Yellow Longpass - 50 50 0.7 487 - - 0
US$63.11
593FCD50 Red Rose Longpass - 50 50 1.1 593 - - 0
US$63.11
646FCD50 Red Longpass - 50 50 1.1 646 - - 0
US$63.11
629FCD50 Red Longpass - 50 50 1.1 629 - - 0
US$63.11
609FCD50 Red Longpass - 50 50 0.7 609 - - 0
US$63.11
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Colour Dichroic Filters

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