Andover Corporation Datasheets for Neutral Density Filters

Neutral density filters are designed to reduce transmission evenly across a portion of the spectrum. They are slightly sensitive to angles but they are much more forgiving than interference filters.
Neutral Density Filters: Learn more

Product Name	Notes
3 piece Calibration set 3 piece Calibration set	CALIBRATION FILTER SETS These Spectrophotometric glass standards are intended for use as secondary standards for the verification of the transmittance and absorbance scales of visible absorption spectrometers. Each set contains...
Custom IR ND Filter, OD=0.3, with A/R 25mm diameter 5200 - 7000nmImaging IR ND Custom IR ND Filter, OD=0.3, with A/R 50mm diameter 5200 - 7000nmImaging IR ND Custom IR ND Filter, OD=0.5, with A/R 25mm diameter 5200 - 7000nmImaging IR ND Custom IR ND Filter, OD=0.5, with A/R 50mm diameter 5200 - 7000nmImaging IR ND Custom IR ND Filter, OD=1.0,with A/R 25mm diameter 5200 - 7000nmImaging IR ND Custom IR ND Filter, OD=1.0,with A/R 50mm diameter 5200 - 7000nmImaging IR ND Custom IR ND Filter, OD=1.5, with A/R 25mm diameter 5200 - 7000nmImaging IR ND Custom IR ND Filter, OD=1.5, with A/R 50mm diameter 5200 - 7000nmImaging IR ND Custom IR ND Filter, OD=2.0,with A/R 25mm diameter 5200 - 7000nmImaging IR ND Custom IR ND Filter, OD=2.0,with A/R 50mm diameter 5200 - 7000nmImaging IR ND Custom IR ND Filter, OD=3.0, with A/R 25mm diameter 5200 - 7000nmImaging IR ND Custom IR ND Filter, OD=3.0,with A/R 50mm diameter 5200 - 7000nmImaging IR ND Standard IR ND Filter, OD=0.3, 12.5mm diameter 2000 -14000nm Standard IR ND Filter, OD=0.3, 25mm diameter 2000 -14000nm Standard IR ND Filter, OD=0.3, 50mm diameter 2000 -14000nm Standard IR ND Filter, OD=0.5, 12.5mm diameter 2000 -14000nm Standard IR ND Filter, OD=0.5, 25mm diameter 2000 -14000nm Standard IR ND Filter, OD=0.5, 50mm diameter 2000 -14000nm Standard IR ND Filter, OD=0.6, 12.5mm diameter 2000 -14000nm Standard IR ND Filter, OD=0.6, 25mm diameter 2000 -14000nm Standard IR ND Filter, OD=0.6, 50mm diameter 2000 -14000nm Standard IR ND Filter, OD=0.7, 12.5mm diameter 2000 -14000nm Standard IR ND Filter, OD=0.7, 25mm diameter 2000 -14000nm Standard IR ND Filter, OD=0.7, 50mm diameter 2000 -14000nm Standard IR ND Filter, OD=0.8, 12.5mm diameter 2000 -14000nm Standard IR ND Filter, OD=0.8, 25mm diameter 2000 -14000nm Standard IR ND Filter, OD=0.8, 50mm diameter 2000 -14000nm Standard IR ND Filter, OD=0.9, 12.5mm diameter 2000 -14000nm Standard IR ND Filter, OD=0.9, 25mm diameter 2000 -14000nm Standard IR ND Filter, OD=0.9, 50mm diameter 2000 -14000nm Standard IR ND Filter, OD=1.0, 12.5mm diameter 2000 -14000nm Standard IR ND Filter, OD=1.0, 25mm diameter 2000 -14000nm Standard IR ND Filter, OD=1.0, 50mm diameter 2000 -14000nm Standard IR ND Filter, OD=1.3, 12.5mm diameter 2000 -14000nm Standard IR ND Filter, OD=1.3, 25mm diameter 2000 -14000nm Standard IR ND Filter, OD=1.3, 50mm diameter 2000 -14000nm Standard IR ND Filter, OD=1.5, 12.5mm diameter 2000 -14000nm Standard IR ND Filter, OD=1.5, 25mm diameter 2000 -14000nm Standard IR ND Filter, OD=1.5, 50mm diameter 2000 -14000nm Standard IR ND Filter, OD=2.0, 12.5mm diameter 2000 -14000nm Standard IR ND Filter, OD=2.0, 25mm diameter 2000 -14000nm Standard IR ND Filter, OD=2.0, 50mm diameter 2000 -14000nm Standard IR ND Filter, OD=2.5, 12.5mm diameter 2000 -14000nm Standard IR ND Filter, OD=2.5, 25mm diameter 2000 -14000nm Standard IR ND Filter, OD=2.5, 50mm diameter 2000 -14000nm Standard IR ND Filter, OD=3.0, 12.5mm diameter 2000 -14000nm Standard IR ND Filter, OD=3.0, 25mm diameter 2000 -14000nm Standard IR ND Filter, OD=3.0, 50mm diameter 2000 -14000nm	Metallic-coated infrared neutral density filters (IR ND filters) obtain their optical density from a metal alloy coating on a substrate determined by the wavelength region of interest. Unlike the all-dielectric...
Standard UV ND Filter, OD=0.04, 12.5mm diameter Standard UV ND Filter, OD=0.04, 25mm diameter Standard UV ND Filter, OD=0.04, 50mm diameter Standard UV ND Filter, OD=0.04, 50mm x 50mm Standard UV ND Filter, OD=0.1, 12.5mm diameter Standard UV ND Filter, OD=0.1, 25mm diameter Standard UV ND Filter, OD=0.1, 50mm diameter Standard UV ND Filter, OD=0.1, 50mm x 50mm Standard UV ND Filter, OD=0.15, 12.5mm diameter Standard UV ND Filter, OD=0.15, 25mm diameter Standard UV ND Filter, OD=0.15, 50mm diameter Standard UV ND Filter, OD=0.15, 50mm x 50mm Standard UV ND Filter, OD=0.2, 12.5mm diameter Standard UV ND Filter, OD=0.2, 25mm diameter Standard UV ND Filter, OD=0.2, 50mm diameter Standard UV ND Filter, OD=0.2, 50mm x 50mm Standard UV ND Filter, OD=0.3, 12.5mm diameter Standard UV ND Filter, OD=0.3, 25mm diameter Standard UV ND Filter, OD=0.3, 50mm diameter Standard UV ND Filter, OD=0.3, 50mm x 50mm Standard UV ND Filter, OD=0.4, 12.5mm diameter Standard UV ND Filter, OD=0.4, 25mm diameter Standard UV ND Filter, OD=0.4, 50mm diameter Standard UV ND Filter, OD=0.4, 50mm x 50mm Standard UV ND Filter, OD=0.5, 12.5mm diameter Standard UV ND Filter, OD=0.5, 25mm diameter Standard UV ND Filter, OD=0.5, 50mm diameter Standard UV ND Filter, OD=0.5, 50mm x 50mm Standard UV ND Filter, OD=0.6, 12.5mm diameter Standard UV ND Filter, OD=0.6, 25mm diameter Standard UV ND Filter, OD=0.6, 50mm diameter Standard UV ND Filter, OD=0.6, 50mm x 50mm Standard UV ND Filter, OD=0.7, 12.5mm diameter Standard UV ND Filter, OD=0.7, 25mm diameter Standard UV ND Filter, OD=0.7, 50mm diameter Standard UV ND Filter, OD=0.7, 50mm x 50mm Standard UV ND Filter, OD=0.8, 12.5mm diameter Standard UV ND Filter, OD=0.8, 25mm diameter Standard UV ND Filter, OD=0.8, 50mm diameter Standard UV ND Filter, OD=0.8, 50mm x 50mm Standard UV ND Filter, OD=0.9, 12.5mm diameter Standard UV ND Filter, OD=0.9, 25mm diameter Standard UV ND Filter, OD=0.9, 50mm diameter Standard UV ND Filter, OD=0.9, 50mm x 50mm Standard UV ND Filter, OD=1.0, 12.5mm diameter Standard UV ND Filter, OD=1.0, 25mm diameter Standard UV ND Filter, OD=1.0, 50mm diameter Standard UV ND Filter, OD=1.0, 50mm x 50mm Standard UV ND Filter, OD=1.3, 12.5mm diameter Standard UV ND Filter, OD=1.3, 25mm diameter Standard UV ND Filter, OD=1.3, 50mm diameter Standard UV ND Filter, OD=1.3, 50mm x 50mm Standard UV ND Filter, OD=1.5, 12.5mm diameter Standard UV ND Filter, OD=1.5, 25mm diameter Standard UV ND Filter, OD=1.5, 50mm diameter Standard UV ND Filter, OD=1.5, 50mm x 50mm Standard UV ND Filter, OD=1.8, 12.5mm diameter Standard UV ND Filter, OD=1.8, 25mm diameter Standard UV ND Filter, OD=1.8, 50mm diameter Standard UV ND Filter, OD=1.8, 50mm x 50mm Standard UV ND Filter, OD=2.0, 12.5mm diameter Standard UV ND Filter, OD=2.0, 25mm diameter Standard UV ND Filter, OD=2.0, 50mm diameter Standard UV ND Filter, OD=2.0, 50mm x 50mm Standard UV ND Filter, OD=2.5, 12.5mm diameter Standard UV ND Filter, OD=2.5, 25mm diameter Standard UV ND Filter, OD=2.5, 50mm diameter Standard UV ND Filter, OD=2.5, 50mm x 50mm Standard UV ND Filter, OD=3.0, 12.5mm diameter Standard UV ND Filter, OD=3.0, 25mm diameter Standard UV ND Filter, OD=3.0, 50mm diameter Standard UV ND Filter, OD=3.0, 50mm x 50mm Standard UV ND Filter, OD=4.0, 12.5mm diameter Standard UV ND Filter, OD=4.0, 25mm diameter Standard UV ND Filter, OD=4.0, 50mm diameter Standard UV ND Filter, OD=4.0, 50mm x 50mm Standard Vis-NIR ND Filter, OD=0.1, 12.5mm dia. Standard Vis-NIR ND Filter, OD=0.1, 25mm diameter Standard Vis-NIR ND Filter, OD=0.1, 50mm diameter Standard Vis-NIR ND Filter, OD=0.1, 50mm x 50mm Standard Vis-NIR ND Filter, OD=0.15, 12.5mm dia. Standard Vis-NIR ND Filter, OD=0.15, 25mm diameter Standard Vis-NIR ND Filter, OD=0.15, 50mm diameter Standard Vis-NIR ND Filter, OD=0.15, 50mm x 50mm Standard Vis-NIR ND Filter, OD=0.2, 12.5mm dia. Standard Vis-NIR ND Filter, OD=0.2, 25mm diameter Standard Vis-NIR ND Filter, OD=0.2, 50mm diameter Standard Vis-NIR ND Filter, OD=0.2, 50mm x 50mm Standard Vis-NIR ND Filter, OD=0.3, 12.5mm dia. Standard Vis-NIR ND Filter, OD=0.3, 25mm diameter Standard Vis-NIR ND Filter, OD=0.3, 50mm diameter Standard Vis-NIR ND Filter, OD=0.3, 50mm x 50mm Standard Vis-NIR ND Filter, OD=0.4, 12.5mm dia. Standard Vis-NIR ND Filter, OD=0.4, 25mm diameter Standard Vis-NIR ND Filter, OD=0.4, 50mm diameter Standard Vis-NIR ND Filter, OD=0.4, 50mm x 50mm Standard Vis-NIR ND Filter, OD=0.5, 12.5mm dia. Standard Vis-NIR ND Filter, OD=0.5, 25mm diameter Standard Vis-NIR ND Filter, OD=0.5, 50mm diameter Standard Vis-NIR ND Filter, OD=0.5, 50mm x 50mm Standard Vis-NIR ND Filter, OD=0.6, 12.5mm dia. Standard Vis-NIR ND Filter, OD=0.6, 25mm diameter Standard Vis-NIR ND Filter, OD=0.6, 50mm diameter Standard Vis-NIR ND Filter, OD=0.6, 50mm x 50mm Standard Vis-NIR ND Filter, OD=0.7, 12.5mm dia. Standard Vis-NIR ND Filter, OD=0.7, 25mm diameter Standard Vis-NIR ND Filter, OD=0.7, 50mm diameter Standard Vis-NIR ND Filter, OD=0.7, 50mm x 50mm Standard Vis-NIR ND Filter, OD=0.8, 12.5mm dia. Standard Vis-NIR ND Filter, OD=0.8, 25mm diameter Standard Vis-NIR ND Filter, OD=0.8, 50mm diameter Standard Vis-NIR ND Filter, OD=0.8, 50mm x 50mm Standard Vis-NIR ND Filter, OD=0.9, 12.5mm dia. Standard Vis-NIR ND Filter, OD=0.9, 25mm diameter Standard Vis-NIR ND Filter, OD=0.9, 50mm diameter Standard Vis-NIR ND Filter, OD=0.9, 50mm x 50mm Standard Vis-NIR ND Filter, OD=1.0, 12.5mm dia. Standard Vis-NIR ND Filter, OD=1.0, 25mm diameter Standard Vis-NIR ND Filter, OD=1.0, 50mm diameter Standard Vis-NIR ND Filter, OD=1.0, 50mm x 50mm Standard Vis-NIR ND Filter, OD=1.3, 12.5mm dia. Standard Vis-NIR ND Filter, OD=1.3, 25.0mm dia. Standard Vis-NIR ND Filter, OD=1.3, 50mm diameter Standard Vis-NIR ND Filter, OD=1.3, 50mm x 50mm Standard Vis-NIR ND Filter, OD=1.5, 12.5mm dia. Standard Vis-NIR ND Filter, OD=1.5, 25mm diameter Standard Vis-NIR ND Filter, OD=1.5, 50mm diameter Standard Vis-NIR ND Filter, OD=1.5, 50mm x 50mm Standard Vis-NIR ND Filter, OD=1.8, 12.5mm dia. Standard Vis-NIR ND Filter, OD=1.8, 25mm diameter Standard Vis-NIR ND Filter, OD=1.8, 50mm diameter Standard Vis-NIR ND Filter, OD=1.8, 50mm x 50mm Standard Vis-NIR ND Filter, OD=2.0, 12.5mm dia. Standard Vis-NIR ND Filter, OD=2.0, 25mm diameter Standard Vis-NIR ND Filter, OD=2.0, 50mm diameter Standard Vis-NIR ND Filter, OD=2.0, 50mm x 50mm Standard Vis-NIR ND Filter, OD=2.5, 12.5mm dia. Standard Vis-NIR ND Filter, OD=2.5, 25mm diameter Standard Vis-NIR ND Filter, OD=2.5, 50mm diameter Standard Vis-NIR ND Filter, OD=2.5, 50mm x 50mm Standard Vis-NIR ND Filter, OD=3.0, 12.5mm dia. Standard Vis-NIR ND Filter, OD=3.0, 25mm diameter Standard Vis-NIR ND Filter, OD=3.0, 50mm diameter Standard Vis-NIR ND Filter, OD=3.0, 50mm x 50mm Standard Vis-NIR ND Filter, OD=4.0, 12.5mm dia. Standard Vis-NIR ND Filter, OD=4.0, 25mm diameter Standard Vis-NIR ND Filter, OD=4.0, 50mm diameter Standard Vis-NIR ND Filter, OD=4.0, 50mm x 50mm	Neutral density (ND) filters are useful in a number of applications such as attenuators for broadband spectral sources, partial reflectors for light balancing applications and for use as neutral beamsplitters.
Imaging Absorbing ND Filter, OD=0.1, 25mm diameter Imaging Absorbing ND Filter, OD=0.1, 50mm x 50mm Imaging Absorbing ND Filter, OD=0.2, 25mm diameter Imaging Absorbing ND Filter, OD=0.2, 50mm x 50mm Imaging Absorbing ND Filter, OD=0.3, 25mm diameter Imaging Absorbing ND Filter, OD=0.3, 50mm x 50mm Imaging Absorbing ND Filter, OD=0.4, 25mm diameter Imaging Absorbing ND Filter, OD=0.4, 50mm x 50mm Imaging Absorbing ND Filter, OD=0.5, 25mm diameter Imaging Absorbing ND Filter, OD=0.5, 50mm x 50mm Imaging Absorbing ND Filter, OD=0.6, 25mm diameter Imaging Absorbing ND Filter, OD=0.6, 50mm x 50mm Imaging Absorbing ND Filter, OD=0.7, 25mm diameter Imaging Absorbing ND Filter, OD=0.7, 50mm x 50mm Imaging Absorbing ND Filter, OD=0.8, 25mm diameter Imaging Absorbing ND Filter, OD=0.8, 50mm x 50mm Imaging Absorbing ND Filter, OD=0.9, 25mm diameter Imaging Absorbing ND Filter, OD=0.9, 50mm x 50mm Imaging Absorbing ND Filter, OD=1.0, 25mm diameter Imaging Absorbing ND Filter, OD=1.0, 50mm x 50mm Imaging Absorbing ND Filter, OD=1.5, 25mm diameter Imaging Absorbing ND Filter, OD=1.5, 50mm x 50mm Imaging Absorbing ND Filter, OD=2.0, 25mm diameter Imaging Absorbing ND Filter, OD=2.0, 50mm x 50mm Imaging Absorbing ND Filter, OD=3.0, 25mm diameter Imaging Absorbing ND Filter, OD=3.0, 50mm x 50mm Imaging Absorbing ND Filter, OD=4.0, 25mm diameter Imaging Absorbing ND Filter, OD=4.0, 50mm x 50mm	With their ability to minimize back-reflections and scattered light, absorptive neutral density (ND) filters are ideal for calibration. In contrast to the metallic type, absorption-type filters achieve their optical density...
14 piece Absorbing Neutral Density set, 25mm dia. 14 piece Absorbing Neutral Density set, 50mm sq. 17 piece UV-NIR Neutral Density set, 12.5mm dia. 17 piece UV-NIR Neutral Density set, 50mm diameter 17 piece UV-NIR Neutral Density set, 50mm sq. 17 piece UV-VIS-NIR Neutral Density set, 25mm ¯ 17 piece Vis-NIR Neutral Density set, 12.5mm dia. 17 piece Vis-NIR Neutral Density set, 25mm dia. 17 piece Vis-NIR Neutral Density set, 50mm dia. 7 piece Absorbing Neutral Density set, 25mm dia. 7 piece Absorbing Neutral Density set, 50mm sq. 7 piece UV-NIR Neutral Density set, 12.5mm dia. 7 piece UV-NIR Neutral Density set, 25mm diameter 7 piece UV-NIR Neutral Density set, 50mm diameter 7 piece UV-NIR Neutral Density set, 50mm x 50mm 7 piece Vis-NIR Neutral Density set, 12.5mm dia. 7 piece Vis-NIR Neutral Density set, 25mm dia. 7 piece Vis-NIR Neutral Density set, 50mm dia. 7 piece Vis-NIR Neutral Density set, 50mm x 50mm	Neutral Density Filter Sets Andover's metallic-coated neutral density filter sets feature both round and square filters in your choice of four sizes (12.5mm Ø, 25mm Ø, 50mm Ø, 50mm Squares)...
12-pc IR ND Filter Set, 12.5mm, OD=0.3, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.3, 1.5, 2.0, 2.5, 3.0 12-pc IR ND Filter Set, 25mm, OD=0.3, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.3, 1.5, 2.0, 2.5, 3.0 12-pc IR ND Filter Set, 50mm, OD=0.3, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.3, 1.5, 2.0, 2.5, 3.0 5-pc IR ND Filter Set, 12.5mm, OD=0.3, 0.5, 1.0, 2.0, 3.0 5-pc IR ND Filter Set, 25mm, OD=0.3, 0.5, 1.0, 2.0, 3.0 5-pc IR ND Filter Set, 50mm, OD=0.3, 0.5, 1.0, 2.0, 3.0	For your convenience and ecomony, Andover offers its metallic-coated infrared neutral density filters (IR ND filters) in sets. The cost is 10% lower than purchasing the individual parts, and they...

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