Parameter	Specification
Product Name	Full Color Tinted Industrial Camera Filter Lens
Standard Blank Size	M30.5×0.5mm; Custom size & thickness supported
Available Color Types	Blue, Orange, Red, Green, Yellow, Purple, Pink, Tea, Gray (ND neutral density attenuation filter)
Manufacturing Principle	Optical glass doped with special color dye; molecular structure and refractive index altered to selectively absorb specific color wavelengths
Optical Working Principle	Each colored filter transmits its matching target wavelength band and absorbs most other complementary color light to isolate single-color signal
Applicable Equipment	Industrial machine vision cameras, photographic lenses, laboratory optical experimental platforms, spectral analysis equipment
Core Feature	Uniform dye distribution, stable color absorption performance, lightweight thin glass substrate for easy lens assembly

Product Feature Introduction
This series of colored optical filters is manufactured by doping high-transmission optical glass with special organic colorants, forming selective light absorption characteristics for targeted visible spectrum bands.
1. Selective monochromatic light transmission: Each color filter only lets its corresponding color light pass through while absorbing most complementary color stray light. For example, blue filter transmits blue light and absorbs most green & red light; yellow filter prioritizes yellow light transmission and blocks blue & green background light to highlight yellow subjects in shooting.
2. Rich full-color lineup: Covers 9 mainstream colors including primary colors, complementary colors and neutral gray ND filters, meeting color separation, contrast enhancement and light attenuation demands for machine vision and photography.
3. Thin 0.5mm M30.5 standard threaded blank, compatible with most industrial camera lens mounts; non-standard diameters and thicknesses can be customized upon request.
4. Stable tinted substrate performance: Consistent spectral absorption under long-term continuous visible light irradiation, no color fading or shifting during routine industrial and photographic use.
5. Wide application in image optimization: Greatly improves subject-background contrast for landscape, product and industrial defect inspection shooting by filtering out interfering background wavelengths.
Color Spectrum Transmission Classification
1. Yellow Filter: Passes 500–700nm yellow/orange/red/green light, absorbs cyan, blue and violet bands
2. Orange Filter: Passes 560–700nm yellow/orange/red spectrum, blocks blue, violet and partial green light
3. Red-Orange Filter: Passes 590–700nm warm long-wave bands, absorbs blue, violet and large portion of green light
4. Red Filter: Mainly transmits 600–700nm red light, absorbs green, cyan, blue and violet wavelengths
5. Green Filter: Passes 500–600nm yellow & green light, absorbs violet, blue, red and most orange light
6. Blue Filter: Transmits 380–500nm blue/cyan/violet bands, blocks yellow, orange, red and near-infrared light
7. Neutral Gray ND Attenuation Filter: Uniformly reduces overall luminous flux without color distortion for exposure control
8. Purple Fluorescent Correction Filter: Eliminates green cast from warm fluorescent lamps, corrects color bias under artificial fluorescent lighting; avoid direct shooting toward light sources
Main Application Scenarios
• Industrial machine vision defect detection, color sorting, material feature contrast enhancement
• Landscape, macro and product portrait photography, isolating target subjects from cluttered colored backgrounds
• Laboratory optical color separation experiments, visible light spectral analysis teaching setups
• Indoor fluorescent light photography, color bias correction for digital cameras
• Optical testing equipment, monochromatic light source auxiliary filtering modules

◆ Dye-tinted optical color filter, selectively absorbs interfering color light to boost target subject contrast
◆ 9 available colors: Blue / Orange / Red / Green / Yellow / Purple / Pink / Tea / Neutral Gray ND
◆ Standard M30.5×0.5mm threaded blank, easy to mount on industrial and photographic camera lenses
◆ Special dye doped glass substrate with stable long-term color absorption performance, no color shift
◆ Each color corresponds to independent visible spectrum passband for precise monochromatic light separation
◆ Neutral gray ND filter option for uniform light attenuation without distorting original color tone
◆ Widely used for machine vision inspection, macro photography, lab optical experiments and color correction
◆ Custom blank diameter, thickness and custom color spectral response available via customer service consultation
◆ Thin 0.5mm lightweight glass design, adds negligible bulk to lens assemblies, scratch-resistant substrate with proper maintenance