Products in Filters


Linear Variable Bandpass Filters for Hyperspectral Imaging (HSI)

Linear Variable Bandpass Filters for Hyperspectral Imaging (HSI)

TFP All-Glass Dichroic Filter Wheel Assemblies

Filter wheels with no spaces between the glass segments, motors, encoders and timing marks are available

Custom Optical Filters for Medical Device OEM's

Custom Filters using filter glass and thin film coatings

Dichroic Filters for Scientific Instruments and Stage and Entertainment ...

We hold a massive inventory of Bandpass, Long Pass, Short Pass, Band-Blocking and Color-Correction filters.

Knight Optical offers a comprehensive range of optics for LiDAR applica...

Knight Optical offers a comprehensive range of optics for LiDAR applications

Knight Opticals' Stock and Custom Color Glass Type Longpass filters

Our long-pass stock range of color glass filters have uniform spectral transmission properties over their entire aperture

Knight Optical's Colour Glass Filters for ANPR Camera Systems

Knight Optical offers Color Glass Filters for applications, such ANPR cmaeras, be it either long pass or bandpass filters

Knight Optical's custom Infra-red interference band pass filters

Knight Optical is able to supply custom interference band-pass filters for use in the IR (1to 40┬Ám) wavebands

Absorptive glass neutral density filters

Glass Neutral Density filters attenuate light by absorption just like the gelatin neutral density filters. Glass ND Filters are more robust

Knight Optical's Wafers for substrates for IR Cut Off Filters

When it comes to a high-quality IR Cut filter, it is the substrate with the coating applied that affects performance we provide high quality wafers for precisely this!