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FND-25C02-10 25 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm

FND-25C02-10 25 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm

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

Properties

Shape
Circular
Diameter
25 mm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5185223876207927
λ
550 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

FND-25C02-10 25 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm

The FND-25C02-10 is a 25 mm diameter, unmounted Neutral Density Filter, boasting a thickness of 2mm and manufactured from N-BK7 Schott material. This filter is designed for use within the visible light spectrum, specifically between 400-700nm.

The filter's Neutral Density properties are achieved through the application of OptoSigma's proprietary FND-10 coating on both the front and back surfaces. This coating is designed to maintain a high level of neutrality across the visible spectrum, ensuring minimal color shift in the transmitted light.

The filter's geometry, featuring a thin lens shape, is optimized for use in a variety of optical systems. The 25mm diameter provides a versatile size that can be easily integrated into many different setups. The 2mm thickness, while maintaining a low profile, offers sufficient durability for most applications.

This filter is currently in stock and available for purchase through the OptoSigma website. The provided weblink offers direct access to the product page for convenient ordering and further information.

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