Subtractive Color Mixing – L.R. Ingersoll Physics Museum – UW–Madison
Fluorescent Light Filter Sleeves and Diffuser Sheets
Cozy Shades Light Softening Filter - Covers Soften Light on School Fixtures
Colour filters
Amazon.com : TIMESET 24Pcs 8.5 x 11 Inch Transparent Color Correction Lighting Gel Filter - Colored Gel Light Filter Plastic Sheet - 8 Assorted Colors : Electronics
Amazon.com : Neewer 14 Pieces Flash Lighting Gel Filter Kit with 7 Colors - 11x8.6 inches/ 28x22CM Transparent Color Correction Lighting Film Plastic Sheets : Electronics
The Physics of Light and Color - Light Filtration | Olympus LS
Filter Types
Amazon.com : 8pcs Color Correction Gel Light Filter, Photography Lighting Gels Sheet for Photo Studio Flashlight Led Light : Electronics
Amazon.com : 14 Pack Color Correction Light Gel Filter Sheet Colored Overlays Transparency Film Plastic Sheets, 11.7 by 8.3 Inches, 7 Colors : Electronics
Reducing Blue Light on Your PC Screen by Using Blue Light Filters < IT Tips - HP.com Hong Kong
The Physics of Light and Color - Light Filtration | Olympus LS
Amazon.com : Meking 6pcs 16x20in Lighting Gels Filter with Wooden Clips for Gels, Transparent Color Correction Roll Film Plastic Sheet for Led Flash Strobe Light, 6 Colors : Electronics
Filters
BUZIFU 14 Pack Correction Gel Light Filter 29.7 * 21cm A4 Overlays Transparency Color Film Plastic Sheets Gel Lighting Filters 7 Assorted Colors for Kids,Photo Studio,Photography,Stage Lighting - Walmart.com
Light Pollution, Astroklar & Natural Night Filter Review - Do They Really Work? | Paul Reiffer - Photographer
15*20'' Color Lighting Gel Filter Sheets Paper for Photo Video Theater Stage | eBay
Light Pollution Filters: A Photographer's Guide | PetaPixel
Light Balancing
Help | Using the Barndoor Light Filter | Autodesk
Amazon.com : Lystaii 9pcs Gel Light Filter Color Correction Colored Overlays Transparent Color Film Lighting Gel Filter Plastic Sheets Correction 9 Colors 11.7 by 8.3 Inches for Film, Video, Photo, Stage : Electronics
Amazon.com : 16 Pack Colored Overlays Transparency Color Film Plastic Sheets Correction Gel Light Filter Sheet,20 by 20cm,8 Assorted Colors : Electronics
Nisi Natural Night Filter - YouTube
Filter Gel Color Sheets Lighting Correction Film Gels Light Flash Lights Overlays Plastic Filters Kits Sheet Colored - Walmart.com
Optical filter - Wikipedia
Amazon.com : Selens 20 Pieces Universal Gels Lighting Filter Kit for Camcorder LED Video Light, 3.74” x 2.56” Transparent Color Correction Lighting Film Plastic Sheets : Electronics
Amazon.com : SAKOLLA 16 Pack Color Correction Gel Light Filter - Transparent Color Lighting Gel Filter Plastic Sheets, 8.5 by 11 Inches, 8 Colors : Electronics
How to Use the f.lux Blue Light Filter App – THL SLEEP
