The following lists show a selection of our enormous filter range. You should find filter materials there to suit most NVG compatibility requirements, but it is not exhaustive and we frequently design and produce specials or custom filters to match specific customer requirements.

If you do not see what you need please ask. Not all datasheets are immediately available as downloads, but again please ask if the one you need is not shown.

CTL Material Part No Thickness Colour Category Transmission Notes Datasheet

Filters for Filament Lamp Sources

Flat Glass Filters suitable for Indicator Lights, CWPs, Switches, some floodlights etc
CTL-A01X 1, 1.5, 2, 3mm NVIS Green B Class A 9% pdficon_small
CTL-A02X 1, 1.5, 2, 3mm NVIS Green A Class A 15% pdficon_small
CTL-A03X 1, 1.5, 2, 3mm NVIS Green A Class A 11% pdficon_small
CTL-A04X 1, 1.5, 2, 3mm NVIS Yellow Class B 16% pdficon_small
CTL-T080 1mm, 2mm NVG White Class A 60% pdficon_small
CTL-L050 2mm NVIS Red Class B pdficon_small
CTL-L060 2mm NVIS Yellow
CTL-L070 2mm NVIS Red Class B Enhanced off-axis performance pdficon_small
Flat Polymer Absorption Filters suitable for Indicator Lights, CWPs, Switches, some floodlights etc
CTL-R053 2.5mm NVIS Green A Class A 7% pdficon_small
CTL-R054 2.5mm NVIS Green B Class A 10% pdficon_small
CTL-R055 2.5mm NVIS Yellow Class A 12% pdficon_small
CTL-R056 2.5mm NVIS Yellow Class B
CTL-R057 2.5mm Red UK WP6 14% pdficon_small
CTL-R069 1mm NVIS Green A Class B
CTL-R070 1mm NVIS Green B Class A 16% pdficon_small
CTL-R071 1mm Red UK WP6 14% pdficon_small
CTL-R072 1mm NVIS Yellow Class B 19% pdficon_small
CTL-R074 1mm NVIS Green A Class A 8% For 2000K source pdficon_small
CTL-R080 1mm NVIS Green A Class A 7% pdficon_small
CTL-R081 1mm NVIS Yellow Class A 14% pdficon_small
CTL-R084 1mm NVIS Yellow Class A AR coated
CTL-R091 1mm NVIS Green B Class A AR coated
CTL-R130 1.1mm NVIS White Class B For utility, map, inspection lights etc
CTL-R153 1.1mm NVIS Green A Class A 11% pdficon_small
CTL-R161 1mm NVIS Green A Class A For Maglites
CTL-R200 2.5mm White UK WP6 19% pdficon_small
Polymer Absorption for Machined Ring Filters for Filament Lamps in Backlit Panels etc (Machined thickness/Sheet thickness)
CTL-R103 1.5mm/4mm NVIS Green A Class A 14%
CTL-R104 0.7mm/4mm NVIS Green A Class A 14%
CTL-R107 0.7mm/5mm NVIS Green B Class A
CTL-R108 1.5mm/4mm NVIS Green A Class A
CTL-R139 0.7mm/3mm NVIS Green A Class A
CTL-R140 1.5mm/3.3mm NVIS Green B Class A
CTL-R191 0.7mm/4.8mm NVIS Green A Class A 14%

Filters for White LED Sources

Flat Polymer Absorption Filters suitable for Indicator Lights, CWPs, Switches, some floodlights etc
CTL-R065 For LED map light
CTL-R066 1.5mm NVIS Green A Class A 18% pdficon_small
CTL-R068 1mm NVIS Green B Class A 32% pdficon_small
CTL-R073 1mm NVIS Green A Class A 25% pdficon_small
CTL-R100 1mm NVIS White Class A 34% pdficon_small
CTL-R101 3mm White Class B 69% LED warship flight deck illumination pdficon_small
CTL-R106 1mm NVIS Yellow Class A 11%
CTL-R114 1.1mm NVIS Yellow Class B 31% pdficon_small
CTL-R119 2mm NVIS Green A Class A 28%
CTL-R129 0.5mm NVIS Green B Class A 29%
CTL-R156 1.5mm NVIS Yellow Class A
CTL-R177 1.1mm NVIS Green A Class A 21% Eurocopter chromaticity specification
CTL-R185 1mm Green
CTL-R197 1mm NVIS White Class A 34% pdficon_small
CTL-R198 1mm Blue Class A 9% pdficon_small
CTL-R290 0.25mm White Class A 30% Flexible extruded material for cockpit floodlights pdficon_small
Polymer Absorption for Machined Ring Filters for White LEDs in Backlit Panels (Machined thickness/Sheet thickness)
CTL-R097 0.7mm/5mm NVIS Green A Class A 22%
CTL-R112 0.7mm/5mm NVIS Green B Class A 22%
CTL-R133 0.7mm/3mm NVIS Green A Class A 22%

Filters for Coloured LED Sources

Flat Polymer Absorption Filters suitable for Indicator Lights, CWPs, Switches etc
CTL-R064 2.5mm NVIS Green B Class A 58% 557nm dominant wavelength LED source
CTL-R093 1mm NVIS Yellow Class B 48% 588nm dominant wavelength LED source
CTL-R121 1.1mm NVIS Yellow Class A 23% 588nm dominant wavelength LED source
CTL-R142 1.1mm NVIS Red Class B 69% 605nm dominant wavelength LED source pdficon_small
CTL-R183 1mm NVIS Green A Class A 28% 532nm dominant wavelength LED source pdficon_small
CTL-R202 2.5mm NVIS Green A Class A 28% 532nm dominant wavelength LED source pdficon_small
Polymer Absorption for Machined Ring Filters for Coloured LEDs in Backlit Panels etc (Machined thickness/Sheet thickness)
CTL-R098 0.7mm/5mm NVIS Green A Class A 34% 532nm dominant wavelength LED source

Filters for Monochrome LED Displays

Flat Polymer Absorption Filters
CTL-R110 1.1mm N/A Class B 69% 572nm dominant wavelength, AR coating pdficon_small
CTL-R111 1.1mm N/A Class B 69% 572nm dominant wavelength pdficon_small
CTL-R115 1.1mm NVIS Green B Class A 29% 568nm dominant wavelength, AG finish pdficon_small
CTL-R158 0.75mm N/A 568nm dominant wavelength
CTL-R168 2mm N/A Class A 574nm peak wavelength, high contrast, ITO rear, AG front
CTL-R169 2mm N/A Class A 12% 574nm peak wavelength, high contrast, ITO rear pdficon_small
CTL-R170 2mm N/A Class A 574nm peak wavelength, high transmission, ITO rear, AG front
CTL-R171 2mm N/A Class A 574nm peak wavelength, high transmission, ITO rear
Flat Hybrid Glass/Polymer Absorption Filters
CTL-R162 2mm N/A Class A 23% 568nm dominant wavelength, NS Glass thin wall, AR coating one face pdficon_small
CTL-R164 2.5mm N/A 27% 568nm dominant wavelength, NS Glass, AR coating one face pdficon_small
CTL-R174 2mm N/A 568nm dominant wavelength, NS Glass thin wall

Filters for OLED Displays

Flat Polymer Absorption Filter
CTL-R179 0.5mm M/C Class B 54% Multi-colour OLED display filter pdficon_small
CTL-R291 1.0mm Green A Class A 49% Green OLED display filter pdficon_small
CTL-R292 1.0mm Green A Class B 71% Green OLED display filter pdficon_small

Filters for Electroluminescent Displays

Flat Polymer Absorption Filters
CTL-R134 1.5mm N/A Amber Planar display
CTL-R075 0.2mm N/A N/A 60%
CTL-R076 0.2mm NVIS Green A Class A 54% For green EL source

Filters for Multicolour LCDs

Flat Polymer Absorption Filters
CTL-R052 1mm M/C Class B 26% CCFL backlit display pdficon_small
CTL-R058 1mm M/C Class A 25% CCFL backlit display pdficon_small
CTL-R059 2.5mm M/C Class B 26% CCFL backlit display pdficon_small
CTL-R095 2.5mm M/C Class B 24% CCFL, AG finish one face pdficon_small
CTL-R101 3mm M/C N/A 73% CCFL, AG finish one face pdficon_small
CTL-R105 1mm M/C Class B 18% CCFL, Flexible pdficon_small
CTL-R118 0.65mm M/C 27% CCFL, Semi-flexible pdficon_small
CTL-R127 1.1mm M/C Class B 30% CCFL, AG finish pdficon_small
CTL-R135 3mm M/C Class B 55% CCFL, AG finish, high transmission pdficon_small
CTL-R143 2.5mm M/C Class B 23% CCFL, AR coating both faces pdficon_small
CTL-R181 0.25mm M/C 57% CCFL, thin, high transmission, 3009 not guaranteed pdficon_small
CTL-R192 0.5mm M/C Class B 29% White LED, ideal as internal backlight filter pdficon_small
CTL-R214 0.5mm M/C Class B 28% iPad filter, AG finish one face pdficon_small
CTL-R215 0.5mm M/C Class B 22% iPad filter, AG finish both faces pdficon_small
CTL-R225 0.5mm M/C Class B 28% iPad filter, AG finish front face pdficon_small
CTL-R235 1.0mm M/C Class B 30% White LED backlit display, AR, AG variants pdficon_small
CTL-R236 2.5mm M/C Class B 30% White LED backlit display, AR, AG variants pdficon_small
Flat Glass Absorption Filters
CTL-C010 1.5mm M/C Class B 61% White LED backlight pdficon_small
CTL-C020 1mm, 2mm M/C Class B 68% For backlight or front filter. AR coating available.
CTL-C030 2.5mm M/C Class B 69% For front filter. AR coating available.
Flat Glass Interference Filter
CTL-T091 1mm, 2mm M/C Class B 90% High transmission pdficon_small

Filters for CRT Displays

Flat Polymer Absorption Filters
CTL-R060 2.5mm M/C Class B 37%
CTL-R061 2.5mm N/A Class A 30% Monochrome, P31 phosphor
CTL-R062 2.5mm N/A Class A 8% Monochrome, P43 phosphor
CTL-R063 2.5mm N/A Class B 45% Monochrome, TFEL display
CTL-R082 1mm M/C
CTL-R152 2.5mm N/A Monochrome, P31 phosphor, high contrast
CTL-R157 2.5mm N/A Class A 30% Monochrome, P31 phosphor, AR coating one face