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Page 4 - Neutral Density Filters

VUV-UV Neutral Density Filter 120 - 200nm FND0.5-.5D-V (0.5" Diameter)
Teledyne Acton Optics
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VUV-UV Neutral Density Filter 120 - 200nm FND0.5-.5D-V (0.5" Diameter)
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Teledyne Acton Optics presents VUV/UV Neutral Density Filters, meticulously engineered metallic films over-coated with a dielectric protective layer. These filters provide precise control over light intensity in the VUV wavelength range of 120 nm – 200 nm and the UV wavelength range of 200 nm – 320 nm. Each filter is ...

Specifications
Attenuator Type: Reflective
Shape: Round
Size: 12.7 mm
Optical Density: 0.5
Nominal Transmission: 30 %
...
Data Sheet
VUV-UV Neutral Density Filter 120 - 200nm FND0.3-2D-V (2.0" Diameter)
Teledyne Acton Optics
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VUV-UV Neutral Density Filter 120 - 200nm FND0.3-2D-V (2.0" Diameter)
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Teledyne Acton Optics presents VUV/UV Neutral Density Filters, meticulously engineered metallic films over-coated with a dielectric protective layer. These filters provide precise control over light intensity in the VUV wavelength range of 120 nm – 200 nm and the UV wavelength range of 200 nm – 320 nm. Each filter is ...

Specifications
Attenuator Type: Reflective
Shape: Round
Size: 50.8 mm
Optical Density: 0.3
Nominal Transmission: 50 %
...
Data Sheet
VUV-UV Neutral Density Filter 120 - 200nm FND0.3-1D-V (1.0" Diameter)
Teledyne Acton Optics
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VUV-UV Neutral Density Filter 120 - 200nm FND0.3-1D-V (1.0" Diameter)
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Teledyne Acton Optics presents VUV/UV Neutral Density Filters, meticulously engineered metallic films over-coated with a dielectric protective layer. These filters provide precise control over light intensity in the VUV wavelength range of 120 nm – 200 nm and the UV wavelength range of 200 nm – 320 nm. Each filter is ...

Specifications
Attenuator Type: Reflective
Shape: Round
Size: 25.4 mm
Optical Density: 0.3
Nominal Transmission: 50 %
...
Data Sheet
VUV-UV Neutral Density Filter 120 - 200nm FND0.3-.5D-V (0.5" Diameter)
Teledyne Acton Optics
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VUV-UV Neutral Density Filter 120 - 200nm FND0.3-.5D-V (0.5" Diameter)
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Teledyne Acton Optics presents VUV/UV Neutral Density Filters, meticulously engineered metallic films over-coated with a dielectric protective layer. These filters provide precise control over light intensity in the VUV wavelength range of 120 nm – 200 nm and the UV wavelength range of 200 nm – 320 nm. Each filter is ...

Specifications
Attenuator Type: Reflective
Shape: Round
Size: 12.7 mm
Optical Density: 0.3
Nominal Transmission: 50 %
...
Data Sheet
CRM DIDYMIUM GLASS FILTER WITH DAKKS CERTIFICATE 666-F7
Hellma USA INC
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CRM DIDYMIUM GLASS FILTER WITH DAKKS CERTIFICATE 666-F7
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Quality assurance and quality control regulations, such as ISO 9000, GLP, GMP and pharmacopoeias, require companies to verify that any spectrophotometers in use are performing at a consistently high level. Hellma Analytics' certified reference materials can be used to test the following parameters easily and ...

Specifications
Attenuator Type: Other
Shape: Square
Size: - mm
Optical Density: -
Certified Wavelengths: 329, 472, 512, 681, 875 nm
...
Data Sheet
CRM NEUTRAL DENSITY GLASS FILTER SET WITH DAKKS CERTIFICATE 666-S004
Hellma USA INC
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CRM NEUTRAL DENSITY GLASS FILTER SET WITH DAKKS CERTIFICATE 666-S004
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Quality assurance and quality control regulations, such as ISO 9000, GLP, GMP and pharmacopoeias, require companies to verify that any spectrophotometers in use are performing at a consistently high level. Hellma Analytics' certified reference materials can be used to test the following parameters easily and ...

Specifications
Attenuator Type: Absorptive
Shape: Square
Size: - mm
Optical Density: 0.3, 1.5, 2.0 Abs
Certified Wavelengths: 440, 465, 546.1, 590, 635 nm
...
Data Sheet
CRM NEUTRAL DENSITY GLASS FILTER SET WITH DAKKS CERTIFICATE 666-S003
Hellma USA INC
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CRM NEUTRAL DENSITY GLASS FILTER SET WITH DAKKS CERTIFICATE 666-S003
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Quality assurance and quality control regulations, such as ISO 9000, GLP, GMP and pharmacopoeias, require companies to verify that any spectrophotometers in use are performing at a consistently high level. Hellma Analytics\' certified reference materials can be used to test the following parameters easily and ...

Specifications
Attenuator Type: Absorptive
Shape: Square
Size: - mm
Optical Density: 0.25, 0.5, 1.0, F7 0.5-1.0
Certified Wavelengths: 279, 361, 453, 536, 638 nm
...
Data Sheet
CRM NEUTRAL DENSITY GLASS FILTER SET WITH DAKKS CERTIFICATE 666-S000
Hellma USA INC
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CRM NEUTRAL DENSITY GLASS FILTER SET WITH DAKKS CERTIFICATE 666-S000
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Quality assurance and quality control regulations, such as ISO 9000, GLP, GMP and pharmacopoeias, require companies to verify that any spectrophotometers in use are performing at a consistently high level. Hellma Analytics\' certified reference materials can be used to test the following parameters easily and ...

Specifications
Attenuator Type: Absorptive
Shape: Square
Size: - mm
Optical Density: 0.25, 0.5, 1.0 Abs
Certified Wavelengths: 279, 361, 453, 536, 638 nm
...
Data Sheet
CRM DIDYMIUM GLASS FILTER WITH DAKKS CERTIFICATE 666-F7A
Hellma USA INC
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CRM DIDYMIUM GLASS FILTER WITH DAKKS CERTIFICATE 666-F7A
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Quality assurance and quality control regulations, such as ISO 9000, GLP, GMP and pharmacopoeias, require companies to verify that any spectrophotometers in use are performing at a consistently high level. Hellma Analytics' certified reference materials can be used to test the following parameters easily and ...

Specifications
Attenuator Type: Other
Shape: Square
Size: - mm
Optical Density: -
Certified Wavelengths: 270, 280, 297, 321, 342 nm
...
Data Sheet
Andover Corporation Metallic Neutral Density Filters UV-VIS-NIR
Andover Corporation
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Andover Corporation Metallic Neutral Density Filters UV-VIS-NIR
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The Andover Corporation Metallic Neutral Density Filters UV-VIS-NIR are a type of absorptive neutral density (ND) filter that are ideal for a range of applications such as calibration, attenuation, low-power lasers, scientific measurements and research, machine vision, and other imaging applications.    These filters ...

Specifications
Attenuator Type: Other
Shape: Round, Square, Custom
Size: 12.5 mm
Optical Density: 0.4
Nominal Transmission: 91.0 %
Data Sheet
Neutral Density Filter-Absorptive
Union Optic
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Neutral Density Filter-Absorptive
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These are Neutral Density Filters (Absorptive type). They are made of absorptive glass and feature 80/50 scratch/dig quality.  Please contact us for details and ordering info.

Specifications
Attenuator Type: Absorptive
Shape: Round, Square, Custom
Size: 25.4 mm
Optical Density: 0.1-3
Design Wavelength: 400 - 700 nm
...
Data Sheet
Circular Variable Filter 900 nm – 1350 nm
Delta Optical Thin Film A/S
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Circular Variable Filter 900 nm – 1350 nm
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CI Systems’ Circular Variable Filters (CVF’s) are interference narrow-pass filters of advanced design which are deposited on circular substrates, called segments. Film thickness, and therefore the wavelength of peak transmittance varies linearly and continuously with angular position on the segment. CI Systems CVF’s are ideally ...

Specifications
Attenuator Type: Absorptive, Reflective
Shape: Round
Size: 2 mm
Optical Density: --
Data Sheet
Circular Variable Filter 7700 nm – 14300 nm
Delta Optical Thin Film A/S
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Circular Variable Filter 7700 nm – 14300 nm
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CI Systems’ Circular Variable Filters (CVF’s) are interference narrow-pass filters of advanced design which are deposited on circular substrates, called segments. Film thickness, and therefore the wavelength of peak transmittance varies linearly and continuously with angular position on the segment. CI Systems CVF’s ...

Specifications
Attenuator Type: Absorptive, Reflective
Shape: Round
Size: 2 mm
Optical Density: --
Data Sheet
Circular Variable Filter 4300 nm – 8100 nm
Delta Optical Thin Film A/S
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Circular Variable Filter 4300 nm – 8100 nm
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CI Systems’ Circular Variable Filters (CVF’s) are interference narrow-pass filters of advanced design which are deposited on circular substrates, called segments. Film thickness, and therefore the wavelength of peak transmittance varies linearly and continuously with angular position on the segment. CI Systems CVF’s ...

Specifications
Attenuator Type: Absorptive, Reflective
Shape: Round
Size: 2 mm
Optical Density: --
Data Sheet
25.4 mm Absorptive ND Filter Optical Density - 0.1
Ealing Catalog
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25.4 mm Absorptive ND Filter Optical Density - 0.1
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This series of absorbing glass neutral density filters is offered in small increments from D=0.1 up to D=4. The thickness of the filters is controlled to produce a calibrated optical density at 546 nm. The response is approximately neutral so they can be used as broad band devices. However, if used at other wavelengths the optical ...

Specifications
Attenuator Type: Absorptive
Shape: Round, Square
Size: 25.4 mm
Optical Density: 0.1
Data Sheet
Variable Neutral Density Filter
Union Optic
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Variable Neutral Density Filter
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Material B270 Glass Dimension Tolerance +0.0/-0.2mm Thickness 1.5±0.2mm Flatness <2λ@632.8nm Surface Quality 60/40 scratch and dig Parallelism <3 arc minutes Clear Aperture >90% Design Wavelength 400-700nm Coating Metallic reflective coating OD Tolerance ±5% of OD Extremes

Specifications
Attenuator Type: Other
Shape: Round, Square, Custom
Size: 50 mm
Optical Density: 0-3
Data Sheet
Neutral Density Filter-Reflective
Union Optic
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Neutral Density Filter-Reflective
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Material B270 Glass Dimension Tolerance +0.0/-0.2mm Thickness 2.0±0.2mm Flatness 2λ@632.8nm Surface Quality 80/50 scratch and dig Parallelism <5 arc minutes Clear Aperture >90% Design Wavelength 400-700nm Coating Metallic reflective coating OD Tolerance ±10% of OD

Specifications
Attenuator Type: Reflective
Shape: Round, Square, Custom
Size: 25.4 mm
Optical Density: 0.1-3
Data Sheet
FNG4050 - Absorptive Glass Neutral Density Filters
Knight Optical (UK) Ltd
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FNG4050 - Absorptive Glass Neutral Density Filters
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Glass Neutral Density filters attenuate light by absorption just like the gelatine neutral density filters. Glass ND Filters are more robust and tend to have more uniform absorption characteristics. They also attenuate by absorption and so care must be taken to avoid overheating. Attenuation is achieved by polishing glass ...

Specifications
Attenuator Type: Absorptive
Shape: Square
Size: 50 mm
Optical Density: 4.0
Data Sheet
FNG3050 - Absorptive Glass Neutral Density Filters
Knight Optical (UK) Ltd
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FNG3050 - Absorptive Glass Neutral Density Filters
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Glass Neutral Density filters attenuate light by absorption just like the gelatine neutral density filters. Glass ND Filters are more robust and tend to have more uniform absorption characteristics. They also attenuate by absorption and so care must be taken to avoid overheating. Attenuation is achieved by polishing glass ...

Specifications
Attenuator Type: Absorptive
Shape: Square
Size: 50x50 mm
Optical Density: 0.1
Data Sheet
FNG2550 - Absorptive Glass Neutral Density Filters
Knight Optical (UK) Ltd
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FNG2550 - Absorptive Glass Neutral Density Filters
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Glass Neutral Density filters attenuate light by absorption just like the gelatine neutral density filters. Glass ND Filters are more robust and tend to have more uniform absorption characteristics. They also attenuate by absorption and so care must be taken to avoid overheating. Attenuation is achieved by polishing glass ...

Specifications
Attenuator Type: Absorptive
Shape: Square
Size: 50 mm
Optical Density: 2.5
Data Sheet
FNG2050 - Absorptive Glass Neutral Density Filters
Knight Optical (UK) Ltd
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FNG2050 - Absorptive Glass Neutral Density Filters
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Glass Neutral Density filters attenuate light by absorption just like the gelatine neutral density filters. Glass ND Filters are more robust and tend to have more uniform absorption characteristics. They also attenuate by absorption and so care must be taken to avoid overheating. Attenuation is achieved by polishing glass ...

Specifications
Attenuator Type: Absorptive
Shape: Square
Size: 50 mm
Optical Density: 2.0
Data Sheet
FNG1550 - Absorptive Glass Neutral Density Filters
Knight Optical (UK) Ltd
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FNG1550 - Absorptive Glass Neutral Density Filters
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Glass Neutral Density filters attenuate light by absorption just like the gelatine neutral density filters. Glass ND Filters are more robust and tend to have more uniform absorption characteristics. They also attenuate by absorption and so care must be taken to avoid overheating. Attenuation is achieved by polishing glass ...

Specifications
Attenuator Type: Absorptive
Shape: Square
Size: 50 mm
Optical Density: 1.5
Data Sheet
FNG0850 - Absorptive Glass Neutral Density Filters
Knight Optical (UK) Ltd
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FNG0850 - Absorptive Glass Neutral Density Filters
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Glass Neutral Density filters attenuate light by absorption just like the gelatine neutral density filters. Glass ND Filters are more robust and tend to have more uniform absorption characteristics. They also attenuate by absorption and so care must be taken to avoid overheating. Attenuation is achieved by polishing glass ...

Specifications
Attenuator Type: Absorptive
Shape: Square
Size: 50 mm
Optical Density: 0.8
Data Sheet
FNG0650 - Absorptive Glass Neutral Density Filters
Knight Optical (UK) Ltd
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FNG0650 - Absorptive Glass Neutral Density Filters
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Glass Neutral Density filters attenuate light by absorption just like the gelatine neutral density filters. Glass ND Filters are more robust and tend to have more uniform absorption characteristics. They also attenuate by absorption and so care must be taken to avoid overheating. Attenuation is achieved by polishing glass ...

Specifications
Attenuator Type: Absorptive
Shape: Square
Size: 50 mm
Optical Density: 0.6
Data Sheet
FNG0550 - Absorptive Glass Neutral Density Filters
Knight Optical (UK) Ltd
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FNG0550 - Absorptive Glass Neutral Density Filters
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Glass Neutral Density filters attenuate light by absorption just like the gelatine neutral density filters. Glass ND Filters are more robust and tend to have more uniform absorption characteristics. They also attenuate by absorption and so care must be taken to avoid overheating. Attenuation is achieved by polishing glass ...

Specifications
Attenuator Type: Absorptive
Shape: Square
Size: 50 mm
Optical Density: 0.5
Data Sheet