Knight Optical (UK) Ltd Datasheets for Long Pass Filters and Short Pass Filters

Long pass filters transmit a wide spectral band of long wavelength radiation while blocking short wavelength radiation. Short pass filters transmit a wide spectral band of short wavelength radiation and block long wave radiation.
Long Pass Filters and Short Pass Filters: Learn more

Product Name	Notes
420nm Longpass Acrylic Colour Filter 25mmdia x 1mmthk -- 420FAP2500 420nm Longpass Acrylic Colour Filter 50x50x1mmthk -- 420FAP5050 420nm Longpass Acrylic Colour Filter 550x400x1mmthk -- 420FAP550400 510nm Longpass Acrylic Colour Filter 25mmdia x 1mmthk -- 510FAP2500 510nm Longpass Acrylic Colour Filter 50x50x1mmthk -- 510FAP5050 510nm Longpass Acrylic Colour Filter 550x400x1mmthk -- 510FAP550400 585nm Longpass Acrylic Colour Filter 25mmdia x 1mmthk -- 585FAP2500 585nm Longpass Acrylic Colour Filter 50x50x1mmthk -- 585FAP5050 585nm Longpass Acrylic Colour Filter 550x400x1mmthk -- 585FAP550400 620nm Longpass Acrylic Colour Filter 25mmdia x 1mmthk -- 620FAP2500 620nm Longpass Acrylic Colour Filter 50x50x1mmthk -- 620FAP5050 620nm Longpass Acrylic Colour Filter 550x400x1mmthk -- 620FAP550400 630nm Longpass Acrylic Colour Filter 25mmdia x 1mmthk -- 630FAP2500 630nm Longpass Acrylic Colour Filter 50x50x1mmthk -- 630FAP5050 630nm Longpass Acrylic Colour Filter 550x400x1mmthk -- 630FAP550400 650nm Longpass Acrylic Colour Filter 25mmdia x 1mmthk -- 650FAP2500 650nm Longpass Acrylic Colour Filter 50x50x1mmthk -- 650FAP5050 650nm Longpass Acrylic Colour Filter 550x400x1mmthk -- 650FAP550400 685nm Longpass Acrylic Colour Filter 25mmdia x 1mmthk -- 685FAP2500 685nm Longpass Acrylic Colour Filter 50x50x1mmthk -- 685FAP5050 685nm Longpass Acrylic Colour Filter 550x400x1mmthk -- 685FAP550400 850nm Longpass Acrylic Colour Filter 25mmdia x 1mmthk -- 850FAP2500 850nm Longpass Acrylic Colour Filter 50x50x1mmthk -- 850FAP5050 850nm Longpass Acrylic Colour Filter 550x400x1mmthk -- 850FAP550400	Acrylic colour filters are similar to colour glass filters, achieving their colouration by the use of dyes during the manufacturing process. Acrylic filters are cheaper than glass filters, easier to...
465nm Shortpass Colour Glass Filter 25mmdia x 1mmthk -- 464FCS2500 465nm Shortpass Colour Glass Filter 50x50x3mmthk -- 465FCS5050 538nm Shortpass Colour Glass Filter 25mmdia x 3mmthk -- 538FCS2500 538nm Shortpass Colour Glass Filter 50x50x3mmthk -- 538FCS5050 575nm Shortpass Colour Glass Filter 25mmdia x 3mmthk -- 575FCS2500 575nm Shortpass Colour Glass Filter 50x50x3mmthk -- 575FCS5050 610nm Shortpass Colour Glass Filter 25mmdia x 3mmthk -- 611FCS2500 610nm Shortpass Colour Glass Filter 50x50x3mmthk -- 611FCS5050 662nm Shortpass Colour Heat Glass Filter 25mmdia x 3mmthk -- 662FCS2500 668nm Shortpass Colour Heat Glass Filter 25mmdia x 3mmthk -- 668FCS2500 668nm Shortpass Colour Heat Glass Filter 50x50x3mmthk -- 668FCS5050 716nm Shortpass Colour Heat Glass KG1 Filter 25mmdia x 3mmthk -- 716FCS2500 716nm Shortpass Colour Heat Glass KG1 Filter 50x50x3mmthk -- 716FCS5050	Colour Glass Filters are polished sheets of special glass that have been cast with a dye. Colour Glass Filters generally are relatively cheap and very stable. The disadvantage with them...
1000nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 1000FCS2500 1000nm Longpass Colour Glass Filter 50x50x3mmthk -- 1000FCS5050 280nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 280FCS2500 280nm Longpass Colour Glass Filter 50x50x3mmthk -- 280FCS5050 320nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 315FCS2500 320nm Longpass Colour Glass Filter 50x50x3mmthk -- 315FCS5050 340nm Longpass Colour Glass Filter 25mmdia x 2.5mmthk -- 345FCS2500 340nm Longpass Colour Glass Filter 50x50x2.5mmthk -- 345FCS5050 360nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 361FCS2500 360nm Longpass Colour Glass Filter 50x50x3mmthk -- 361FCS5050 375nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 375FCS2500 375nm Longpass Colour Glass Filter 50x50x3mmthk -- 375FCS5050 385nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 385FCS2500 385nm Longpass Colour Glass Filter 50x50x3mmthk -- 385FCS5050 395nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 395FCS2500 395nm Longpass Colour Glass Filter 50x50x3mmthk -- 395FCS5050 420nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 420FCS2500 420nm Longpass Colour Glass Filter 50x50x3mmthk -- 420FCS5050 435nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 435FCS2500 435nm Longpass Colour Glass Filter 50x50x3mmthk -- 435FCS5050 455nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 455FCS2500 455nm Longpass Colour Glass Filter 50x50x3mmthk -- 455FCS5050 475nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 475FCS2500 475nm Longpass Colour Glass Filter 50x50x3mmthk -- 475FCS5050 495nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 495FCS2500 495nm Longpass Colour Glass Filter 50x50x3mmthk -- 495FCS5050 515nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 515FCS2500 515nm Longpass Colour Glass Filter 50x50x3mmthk -- 515FCS5050 530nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 530FCS2500 530nm Longpass Colour Glass Filter 50x50x3mmthk -- 530FCS5050 550nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 550FCS2500 550nm Longpass Colour Glass Filter 50x50x3mmthk -- 550FCS5050 570nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 570FCS2500 570nm Longpass Colour Glass Filter 50x50x3mmthk -- 570FCS5050 590nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 590FCS2500 590nm Longpass Colour Glass Filter 50x50x3mmthk -- 590FCS5050 610nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 610FCS2500 610nm Longpass Colour Glass Filter 50x50x3mmthk -- 610FCS5050 630nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 630FCS2500 645nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 645FCS2500 645nm Longpass Colour Glass Filter 50x50x3mmthk -- 630FCS5050 645nm Longpass Colour Glass Filter 50x50x3mmthk -- 645FCS5050 665nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 665FCS2500 665nm Longpass Colour Glass Filter 50x50x3mmthk -- 665FCS5050 695nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 695FCS2500 695nm Longpass Colour Glass Filter 50x50x3mmthk -- 695FCS5050 715nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 715FCS2500 715nm Longpass Colour Glass Filter 50x50x3mmthk -- 715FCS5050 780nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 780FCS2500 780nm Longpass Colour Glass Filter 33mmdia x 3mmthk -- 780FCS3300 780nm Longpass Colour Glass Filter 50x50x3mmthk -- 780FCS5050 850nm Longpass Colour Glass Filter 25mmdia x 3mmthk -- 850FCS2500 850nm Longpass Colour Glass Filter 50x50x3mmthk -- 850FCS5050	Colour Glass filters are useful for selective wavelength absorption and therefore achieve high out of band blocking. Colour glass type Longpass filters have very low transmission in short wavelengths and...
Longpass Dichroic Filter 420nm 12.5mmdia x 1.1mmthk -- 420FDL12 Longpass Dichroic Filter 420nm 25mmdia x 1.1mmthk -- 420FDL25 Longpass Dichroic Filter 420nm 50x50x1.1mmthk -- 420FDL50 Longpass Dichroic Filter 480nm 12.5mmdia x 1.1mmthk -- 480FDL12 Longpass Dichroic Filter 480nm 25mmdia x 1.1mmthk -- 480FDL25 Longpass Dichroic Filter 480nm 50x50x1.1mmthk -- 480FDL50 Longpass Dichroic Filter 490nm 12.5mmdia x 1.1mmthk -- 490FDL12 Longpass Dichroic Filter 490nm 25mmdia x 1.1mmthk -- 490FDL25 Longpass Dichroic Filter 490nm 50x50x1.1mmthk -- 490FDL50 Longpass Dichroic Filter 500nm 12.5mmdia x 1.1mmthk -- 500FDL12 Longpass Dichroic Filter 500nm 25mmdia x 1.1mmthk -- 500FDL25 Longpass Dichroic Filter 500nm 50x50x1.1mmthk -- 500FDL50 Longpass Dichroic Filter 510nm 12.5mmdia x 1.1mmthk -- 510FDL12 Longpass Dichroic Filter 510nm 25mmdia x 1.1mmthk -- 510FDL25 Longpass Dichroic Filter 510nm 50x50x1.1mmthk -- 510FDL50 Longpass Dichroic Filter 521nm 12.5mmdia x 1.1mmthk -- 521FDL12 Longpass Dichroic Filter 521nm 25mmdia x 1.1mmthk -- 521FDL25 Longpass Dichroic Filter 521nm 50x50x1.1mmthk -- 521FDL50 Longpass Dichroic Filter 530nm 12.5mmdia x 1.1mmthk -- 530FDL12 Longpass Dichroic Filter 530nm 25mmdia x 1.1mmthk -- 530FDL25 Longpass Dichroic Filter 530nm x50x1.1mmthk -- 530FDL50 Longpass Dichroic Filter 540nm 12.5mmdia x 1.1mmthk -- 540FDL12 Longpass Dichroic Filter 540nm 25mmdia x 1.1mmthk -- 540FDL25 Longpass Dichroic Filter 540nm 50x50x1.1mmthk -- 540FDL50 Longpass Dichroic Filter 550nm 12.5mmdia x 1.1mmthk -- 550FDL12 Longpass Dichroic Filter 550nm 25mmdia x 1.1mmthk -- 550FDL25 Longpass Dichroic Filter 550nm 50x50x1.1mmthk -- 550FDL50 Longpass Dichroic Filter 565nm 12.5mmdia x 1.1mmthk -- 565FDL12 Longpass Dichroic Filter 565nm 25mmdia x 1.1mmthk -- 565FDL25 Longpass Dichroic Filter 565nm 50x50x1.1mmthk -- 565FDL50 Longpass Dichroic Filter 581nm 12.5mmdia x 1.1mmthk -- 581FDL12 Longpass Dichroic Filter 581nm 25mmdia x 1.1mmthk -- 581FDL25 Longpass Dichroic Filter 581nm 50x50x1.1mmthk -- 581FDL50 Longpass Dichroic Filter 590nm 12.5mmdia x 1.1mmthk -- 590FDL12 Longpass Dichroic Filter 590nm 25mmdia x 1.1mmthk -- 590FDL25 Longpass Dichroic Filter 590nm 50x50x1.1mmthk -- 590FDL50 Longpass Dichroic Filter 600nm 12.5mmdia x 1.1mmthk -- 600FDL12 Longpass Dichroic Filter 600nm 25mmdia x 1.1mmthk -- 600FDL25 Longpass Dichroic Filter 600nm 50x50x1.1mmthk -- 600FDL50 Longpass Dichroic Filter 615nm 12.5mmdia x 1.1mmthk -- 615FDL12 Longpass Dichroic Filter 615nm 25mmdia x 1.1mmthk -- 615FDL25 Longpass Dichroic Filter 615nm 50x50x1.1mmthk -- 615FDL50 Longpass Dichroic Filter 625nm 12.5mmdia x 1.1mmthk -- 625FDL12 Longpass Dichroic Filter 625nm 25mmdia x 1.1mmthk -- 625FDL25 Longpass Dichroic Filter 625nm 50x50x1.1mmthk -- 625FDL50 Longpass Dichroic Filter 635nm 12.5mmdia x 1.1mmthk -- 635FDL12 Longpass Dichroic Filter 635nm 25mmdia x 1.1mmthk -- 635FDL25 Longpass Dichroic Filter 635nm 50x50x1.1mmthk -- 635FDL50 Longpass Dichroic Filter 645nm 12.5mmdia x 1.1mmthk -- 645FDL12 Longpass Dichroic Filter 645nm 25mmdia x 1.1mmthk -- 645FDL25 Longpass Dichroic Filter 645nm 50x50x1.1mmthk -- 645FDL50 Longpass Dichroic Filter 655nm 12.5mmdia x 1.1mmthk -- 655FDL12 Longpass Dichroic Filter 655nm 25mmdia x 1.1mmthk -- 655FDL25 Longpass Dichroic Filter 655nm 50x50x1.1mmthk -- 655FDL50 Longpass Dichroic Filter 750nm 12.5mmdia x 1.1mmthk -- 740FDL12 Longpass Dichroic Filter 750nm 25mmdia x 1.1mmthk -- 740FDL25 Longpass Dichroic Filter 750nm 50x50x1.1mmthk -- 740FDL50	Knight Optical’s complete range of cost effective longpass dichroic filters offer superior transmission, reflection and absorption characteristics. Longpass filters are designed to transmit wavelengths higher than the cut on point...
Shortpass Dichroic Filter 414nm 12.5mmdia x 1.1mmthk -- 414FDS12 Shortpass Dichroic Filter 414nm 25mmdia x 1.1mmthk -- 414FDS25 Shortpass Dichroic Filter 414nm 50x50x1.1mmthk -- 414FDS50 Shortpass Dichroic Filter 450nm 12.5mmdia x 1.1mmthk -- 450FDS12 Shortpass Dichroic Filter 450nm 25mmdia x 1.1mmthk -- 450FDS25 Shortpass Dichroic Filter 450nm 50x50x1.1mmthk -- 450FDS50 Shortpass Dichroic Filter 460nm 12.5mmdia x 1.1mmthk -- 460FDS12 Shortpass Dichroic Filter 460nm 25mmdia x 1.1mmthk -- 460FDS25 Shortpass Dichroic Filter 460nm 50x50x1.1mmthk -- 460FDS50 Shortpass Dichroic Filter 470nm 12.5mmdia x 1.1mmthk -- 470FDS12 Shortpass Dichroic Filter 470nm 25mmdia x 1.1mmthk -- 470FDS25 Shortpass Dichroic Filter 470nm 50x50x1.1mmthk -- 470FDS50 Shortpass Dichroic Filter 480nm 12.5mmdia x 1.1mmthk -- 480FDS12 Shortpass Dichroic Filter 480nm 25mmdia x 1.1mmthk -- 480FDS25 Shortpass Dichroic Filter 480nm 50x50x1.1mmthk -- 480FDS50 Shortpass Dichroic Filter 490nm 12.5mmdia x 1.1mmthk -- 490FDS12 Shortpass Dichroic Filter 490nm 25mmdia x 1.1mmthk -- 490FDS25 Shortpass Dichroic Filter 490nm 50x50x1.1mmthk -- 490FDS50 Shortpass Dichroic Filter 500nm 12.5mmdia x 1.1mmthk -- 500FDS12 Shortpass Dichroic Filter 500nm 25mmdia x 1.1mmthk -- 500FDS25 Shortpass Dichroic Filter 500nm 50x50x1.1mmthk -- 500FDS50 Shortpass Dichroic Filter 510nm 12.5mmdia x 1.1mmthk -- 510FDS12 Shortpass Dichroic Filter 510nm 25mmdia x 1.1mmthk -- 510FDS25 Shortpass Dichroic Filter 510nm 50x50x1.1mmthk -- 510FDS50 Shortpass Dichroic Filter 520nm 12.5mmdia x 1.1mmthk -- 520FDS12 Shortpass Dichroic Filter 520nm 25mmdia x 1.1mmthk -- 520FDS25 Shortpass Dichroic Filter 520nm 50x50x1.1mmthk -- 520FDS50 Shortpass Dichroic Filter 530nm 12.5mmdia x 1.1mmthk -- 530FDS12 Shortpass Dichroic Filter 530nm 25mmdia x 1.1mmthk -- 530FDS25 Shortpass Dichroic Filter 530nm 50x50x1.1mmthk -- 530FDS50 Shortpass Dichroic Filter 541nm 12.5mmdia x 1.1mmthk -- 541FDS12 Shortpass Dichroic Filter 541nm 25mmdia x 1.1mmthk -- 541FDS25 Shortpass Dichroic Filter 541nm 50x50x1.1mmthk -- 541FDS50 Shortpass Dichroic Filter 550nm 12.5mmdia x 1.1mmthk -- 550FDS12 Shortpass Dichroic Filter 550nm 25mmdia x 1.1mmthk -- 550FDS25 Shortpass Dichroic Filter 550nm 50x50x1.1mmthk -- 550FDS50 Shortpass Dichroic Filter 560nm 12.5mmdia x 1.1mmthk -- 560FDS12 Shortpass Dichroic Filter 560nm 25mmdia x 1.1mmthk -- 560FDS25 Shortpass Dichroic Filter 560nm 50x50x1.1mmthk -- 560FDS50 Shortpass Dichroic Filter 570nm 12.5mmdia x 1.1mmthk -- 570FDS12 Shortpass Dichroic Filter 570nm 25mmdia x 1.1mmthk -- 570FDS25 Shortpass Dichroic Filter 570nm 50x50x1.1mmthk -- 570FDS50 Shortpass Dichroic Filter 581nm 12.5mmdia x 1.1mmthk -- 581FDS12 Shortpass Dichroic Filter 581nm 25mmdia x 1.1mmthk -- 581FDS25 Shortpass Dichroic Filter 581nm 50x50x1.1mmthk -- 581FDS50 Shortpass Dichroic Filter 590nm 12.5mmdia x 1.1mmthk -- 590FDS12 Shortpass Dichroic Filter 590nm 25mmdia x 1.1mmthk -- 590FDS25 Shortpass Dichroic Filter 590nm 50x50x1.1mmthk -- 590FDS50 Shortpass Dichroic Filter 730nm 12.5mmdia x 1.1mmthk -- 730FDS12 Shortpass Dichroic Filter 730nm 25mmdia x 1.1mmthk -- 730FDS25 Shortpass Dichroic Filter 730nm 50x50x1.1mmthk -- 730FDS50	Knight Optical’s complete range of cost effective shortpass dichroic filters offer superior transmission, reflection and absorption characteristics Shortpass filters are designed to transmit wavelengths lower than the cut off point...
411nm Longpass Wratten Colour Filter 75x75x0.1mmthk -- 411FWP7575 430nm Longpass Wratten Colour Filter 75x75x0.1mmthk -- 430FWP7575 494nm Longpass Wratten Colour Filter 75x75x0.1mmthk -- 494FWP7575 519nm Longpass Wratten Colour Filter 75x75x0.1mmthk -- 519FWP7575 528nm Longpass Wratten Colour Filter 75x75x0.1mmthk -- 528FWP7575 540nm Longpass Wratten Colour Filter 75x75x0.1mmthk -- 540FWP7575 600nm Longpass Wratten Colour Filter 75x75x0.1mmthk -- 600FWP7575 717nm Longpass Wratten Colour Filter 75x75x0.1mmthk -- 717FWP7575 794nm Longpass Wratten Colour Filter 75x75x0.1mmthk -- 794FWP7575 852nm Longpass Wratten Colour Filter 75x75x0.1mmthk -- 852FWP7575	The colour effects within Wratten 2 Colour filters are achieved using organic dyes in a gelatine material which is not possible in colour glass. Although wratten bandpass filters are less...
1000nm Longpass Colour Glass Filter 28mmdia Mounted -- 1000FCS2500-MO 280nm Longpass Colour Glass Filter 28mmdia Mounted -- 280FCS2500-MO 315nm Longpass Colour Glass Filter 28mmdia Mounted -- 315FCS2500-MO 345nm Longpass Colour Glass Filter 28mmdia Mounted -- 345FCS2500-MO 345nm Longpass Colour Glass Filter 28mmdia Mounted -- 361FCS2500-MO 375nm Longpass Colour Glass Filter 28mmdia Mounted -- 375FCS2500-MO 385nm Longpass Colour Glass Filter 28mmdia Mounted -- 385FCS2500-MO 395nm Longpass Colour Glass Filter 28mmdia Mounted -- 395FCS2500-MO 420nm Longpass Colour Glass Filter 28mmdia Mounted -- 420FCS2500-MO 435nm Longpass Colour Glass Filter 28mmdia Mounted -- 435FCS2500-MO 455nm Longpass Colour Glass Filter 28mmdia Mounted -- 455FCS2500-MO 465nm Shortpass Colour Glass Filter 28mmdia Mounted -- 465FCS2500-MO 475nm Longpass Colour Glass Filter 28mmdia Mounted -- 475FCS2500-MO 495nm Longpass Colour Glass Filter 28mmdia Mounted -- 495FCS2500-MO 515nm Longpass Colour Glass Filter 28mmdia Mounted -- 515FCS2500-MO 530nm Longpass Colour Glass Filter 28mmdia Mounted -- 530FCS2500-MO 538nm Shortpass Colour Glass Filter 28mmdia Mounted -- 538FCS2500-MO 550nm Longpass Colour Glass Filter 28mmdia Mounted -- 550FCS2500-MO 570nm Longpass Colour Glass Filter 28mmdia Mounted -- 570FCS2500-MO 575nm Shortpass Colour Glass Filter 28mmdia Mounted -- 575FCS2500-MO 590nm Longpass Colour Glass Filter 28mmdia Mounted -- 590FCS2500-MO 610nm Longpass Colour Glass Filter 28mmdia Mounted -- 610FCS2500-MO 611nm Shortpass Colour Glass Filter 28mmdia Mounted -- 611FCS2500-MO 630nm Longpass Colour Glass Filter 28mmdia Mounted -- 630FCS2500-MO 645nm Longpass Colour Glass Filter 28mmdia Mounted -- 645FCS2500-MO 662nm Shortpass Colour Glass Filter 28mmdia Mounted -- 662FCS2500-MO 665nm Longpass Colour Glass Filter 28mmdia Mounted -- 665FCS2500-MO 668nm Shortpass Colour Glass Filter 28mmdia Mounted -- 668FCS2500-MO 695nm Longpass Colour Glass Filter 28mmdia Mounted -- 695FCS2500-MO 715nm Longpass Colour Glass Filter 28mmdia Mounted -- 715FCS2500-MO 716nm Shortpass Colour Glass Filter 28mmdia Mounted -- 716FCS2500-MO 780nm Longpass Colour Glass Filter 28mmdia Mounted -- 780FCS2500-MO 850nm Longpass Colour Glass Filter 28mmdia Mounted -- 850FCS2500-MO	These colour glass filters are mounted in high quality black anodized rings for easy integration into aesthetic lighting, imaging and cosemetic laser applications. Our extensive filter range includes long pass,...

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