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Optics
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Neutral Density Filters

Neutral Density Filters (Shape: Round)

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VUV-UV Neutral Density Filter 200 - 320nm FND5-.5D-M (0.5" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	0.001 %
Transmission Range:	0.0007-0.0015 %
Angle Of Incidence (AOI):	0°

VUV-UV Neutral Density Filter 200 - 320nm FND4-2D-M (2.0" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	0.01 %
Transmission Range:	0.005-0.02 %
Angle Of Incidence (AOI):	0°

VUV-UV Neutral Density Filter 200 - 320nm FND4-1D-M (1.0" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	0.01 %
Transmission Range:	0.005-0.02 %

VUV-UV Neutral Density Filter 200 - 320nm FND4-.5D-M (0.5" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	0.01 %
Transmission Range:	0.005-0.02 %
Angle Of Incidence (AOI):	0°

VUV-UV Neutral Density Filter 200 - 320nm FND3-2D-M (2.0" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Attenuator Type:	Reflective
Shape:	Round
Size:	50.8 mm
Optical Density:	3
Nominal Transmission:	0.1 %

Broadband UV-NIR Neutral Density Filter FND1.0-1D-BB (1.0" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	10 %
Transmission Range:	8-12.5 %
Surface Quality:	<2 waves @ 633nm both sides
Parallelism:	3 arc min
Scratch/Dig:	20-10

Broadband UV-NIR Neutral Density Filter FND1.0-.5D-BB (0.5" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	10 %
Transmission Range:	8-12.5 %
Surface Quality:	<2 waves @ 633nm both sides
Parallelism:	3 arc min
Scratch/Dig:	20-10

Broadband UV-NIR Neutral Density Filter FND0.5-2D-BB (2.0" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	32 %
Transmission Range:	28-35.5 %
Surface Quality:	<2 waves @ 633nm both sides
Parallelism:	3 arc min
Scratch/Dig:	20-10

Broadband UV-NIR Neutral Density Filter FND0.5-1D-BB (1.0" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	32 %
Transmission Range::	28-35.5 %
Surface Quality:	<2 waves @ 633nm both sides
Parallelism:	3 arc min
Scratch/Dig:	20-10

Broadband UV-NIR Neutral Density Filter FND0.5-.5D-BB (0.5" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	32 %
Transmission Range::	28-35.5 %
Surface Quality:	<2 waves @ 633nm both sides
Parallelism:	3 arc min
Scratch/Dig:	20-10

Broadband UV-NIR Neutral Density Filter FND2.0-.5D-BB (0.5" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	1.0 %
Transmission Range:	0.6-0.16 %
Surface Quality:	<2 waves @ 633nm both sides
Parallelism:	3 arc min
Scratch/Dig:	20-10

Broadband UV-NIR Neutral Density Filter FND2.0-1D-BB (1.0" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	1.0 %
Transmission Range:	0.6-0.16 %
Surface Quality:	<2 waves @ 633nm both sides
Parallelism:	3 arc min
Scratch/Dig:	20-10

Broadband UV-NIR Neutral Density Filter FND2.0-2D-BB (2.0" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	1.0 %
Transmission Range:	0.6-0.16 %
Surface Quality:	<2 waves @ 633nm both sides
Parallelism:	3 arc min
Scratch/Dig:	20-10

Broadband UV-NIR Neutral Density Filter FND2.5-2D-BB (2.0" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	0.3 %
Transmission Range:	0.24-0.36 %
Surface Quality:	<2 waves @ 633nm both sides
Parallelism:	3 arc min
Scratch/Dig:	20-10

Broadband UV-NIR Neutral Density Filter FND2.5-1D-BB (1.0" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	0.3 %
Transmission Range:	0.24-0.36 %
Surface Quality:	<2 waves @ 633nm both sides
Parallelism:	3 arc min
Scratch/Dig:	20-10

Broadband UV-NIR Neutral Density Filter FND2.5-.5D-BB (0.5" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	0.3 %
Transmission Range:	0.24-0.36 %
Surface Quality:	<2 waves @ 633nm both sides
Parallelism:	3 arc min
Scratch/Dig:	20-1

Broadband UV-NIR Neutral Density Filter FND1.5-2D-BB (2.0" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	3.0 %
Transmission Range:	2.5-4.5 %
Surface Quality:	<2 waves @ 633nm both sides
Parallelism:	3 arc min
Scratch/Dig:	20-10

Broadband UV-NIR Neutral Density Filter FND1.5-1D-BB (1.0" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	3.0%
Transmission Range:	2.5-4.5 %
Surface Quality:	<2 waves @ 633nm both sides
Parallelism:	3 arc min
Scratch/Dig:	20-10

Broadband UV-NIR Neutral Density Filter FND1.5-.5D-BB (0.5" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	3.0 %
Transmission Range:	2.5-4.5 %
Surface Quality:	<2 waves @ 633nm both sides
Parallelism:	3 arc min
Scratch/Dig:	20-10

Broadband UV-NIR Neutral Density Filter FND1.3-2D-BB (2.0" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	5.0 %
Transmission Range:	4-6 %
Surface Quality:	<2 waves @ 633nm both sides
Parallelism:	3 arc min
Scratch/Dig:	20-10

Broadband UV-NIR Neutral Density Filter FND1.3-1D-BB (1.0" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	5.0 %
Transmission Range:	4-6 %
Surface Quality:	<2 waves @ 633nm both sides
Parallelism:	3 arc min
Scratch/Dig:	20-10

Broadband UV-NIR Neutral Density Filter FND1.0-2D-BB (2.0" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	10 %
Transmission Range:	8-12.5 %
Surface Quality:	<2 waves @ 633nm both sides
Parallelism:	3 arc min
Scratch/Dig:	20-10

Broadband UV-NIR Neutral Density Filter FND1.3-.5D-BB (0.5" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	5.0 %
Transmission Range:	4-6 %
Surface Quality:	<2 waves @ 633nm both sides
Parallelism:	3 arc min
Scratch/Dig:	20-10

Broadband UV-NIR Neutral Density Filter FND0.3-.5D-BB (0.5" Diameter)

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Sold by: Teledyne Acton Optics Ships from: United States

Specifications
Nominal Transmission:	50 %
Transmission Range:	47-54 %
Surface Quality:	<2 waves @ 633nm both sides
Parallelism:	3 arc min
Scratch/Dig:	20-10

Round neutral density filters are essential for applications requiring controlled attenuation of light across the UV to NIR spectrum. These filters feature a range of optical densities, from 0.3 to 1.3, and are available in diameters of 0.5 to 2.0 inches. With offerings from Andover Corporation and Teledyne Acton Optics, these products provide both reflective and absorptive attenuation types. On FindLight, you can compare technical specifications, request pricing, and connect directly with manufacturers without needing to register.