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FNU0425 25 mm Dia. Metallic Neutral Density Filter 546nm

FNU0425 25 mm Dia. Metallic Neutral Density Filter 546nm

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

Properties

Shape
Circular
Diameter
25 mm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4600813135725972
λ
546 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

FNU0425 25 mm Dia. Metallic Neutral Density Filter 546nm

The FNU0425 is a 25 mm diameter Neutral Density Filter, sourced from Knight Optical, a renowned vendor known for its high-quality optical elements. This filter is designed with a specific wavelength of 546nm, making it ideal for applications that require precise light control at this frequency.

The filter is of the Circular type, which is a popular choice due to its ease of use and versatility. It is made from UVFS MAL-1965, a material known for its durability and optical clarity. The filter's geometry includes a diameter of 25mm and a thickness of 2mm, making it a compact yet effective solution for various optical setups.

The FNU0425 features a Thin Lens shape, which is beneficial for applications where minimal optical distortion is required. The front and back of the filter are coated with KNI FNU04, a coating that enhances the filter's performance and longevity.

According to the vendor's information, this item is currently in stock and can be purchased directly from Knight Optical's website. The provided weblink leads directly to the product page for easy access and purchase.

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