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FNDU-25C02-30 25 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm

FNDU-25C02-30 25 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm

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

Properties

Shape
Circular
Diameter
25 mm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4877929746541196
λ
300 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

FNDU-25C02-30 25 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm

OptoSigma's FNDU-25C02-30 is a 25 mm diameter, unmounted Neutral Density Filter, designed for use in the ultraviolet range of 200-400nm. This filter is made from UVFS material, identified as "UVFS mal- 1965" in the item data, and has a thickness of 2mm, providing a balance between durability and compactness.

The filter features a Reflective Neutral Density coating on both the front and back surfaces, denoted as "opt fndu-30". This coating is designed to reduce the intensity of light, without altering its color, making it ideal for applications where a consistent level of light is required.

The filter's geometry is defined by its 25mm diameter, which is suitable for a wide range of optical systems. The shape of the filter is described as a "Thin Lens", indicating that it is designed to minimize optical distortion and maintain the integrity of the light path.

The filter is currently in stock and available for purchase through the OptoSigma website, as indicated by the "weblink status" in the item data. This filter is a part of OptoSigma's extensive catalog of optical elements, which includes a wide range of filters, lenses, and other optical components.

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