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AND-20C-13 20 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm

AND-20C-13 20 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm

Type
Filter
Subtype
Neutral Density Filter
Brand
OptoSigma
Product webpage
OptoSigma products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
20 mm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4599108862211283
λ
550 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

AND-20C-13 20 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm

The AND-20C-13 is a high-quality Neutral Density Filter offered by OptoSigma, designed for use in the visible light spectrum, specifically between 400-700nm. This filter is unmounted, providing flexibility for integration into various optical systems.

The filter boasts a circular shape with a diameter of 20mm and a thickness of 2mm, making it a compact yet effective component in your optical setup. The base shape is designed in a Thin Lens style, ensuring minimal distortion and optimal light transmission.

The filter's coating is another notable feature. Both the front and back surfaces are coated with Opt AND-13, a specialized absorptive coating that provides excellent neutral density performance. This coating ensures consistent light absorption across the visible spectrum, resulting in accurate and reliable optical performance.

The catalog number for this item is AND-20C-13, and it can be found on the OptoSigma website, where it is currently in stock. The link to the product page is provided in the item data for your convenience.

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