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Page 5 - Neutral Density Filters

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 %
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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
Design Wavelength: 400 - 700 nm
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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
Data Sheet
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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
Data Sheet
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