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AND-25S-70 25 x 25 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm

AND-25S-70 25 x 25 mm 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
Rectangular
A
25 mm
B
25 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-25S-70 25 x 25 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm

The AND-25S-70 is a high-quality Neutral Density Filter, offered by the renowned optical components manufacturer, OptoSigma. This filter is designed for use in the visible light spectrum, specifically absorbing light within the 400-700nm range.

The filter is rectangular in shape, with dimensions of 25 x 25 mm, making it suitable for a wide range of optical applications. It boasts a thickness of 2 mm, ensuring durability and stability during use. The filter is unmounted, providing users with the flexibility to integrate it into their existing optical systems.

The filter's coating is a key feature, with both the front and back surfaces coated with OptoSigma's proprietary 'opt and-70' coating. This coating enhances the filter's performance, providing consistent and reliable neutral density across the specified wavelength range.

The filter's geometry is defined as a 'Thin Lens', suggesting that it has been designed to minimize optical aberrations and distortions. This is particularly beneficial in applications where high-resolution imaging or precise light control is required.

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