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FND-15C02-30 15 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm

FND-15C02-30 15 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
15 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-15C02-30 15 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm

The FND-15C02-30 is a high-quality Neutral Density Filter, unmounted and with a 15 mm diameter. This filter is sourced from OptoSigma, a renowned vendor in the optical industry, and is available for purchase through their website. The filter's catalog number, FND-15C02-30, is unique to this specific product, aiding in easy identification and tracking.

This Neutral Density Filter is designed for use in the visible light spectrum, specifically between 400 and 700 nanometers. The filter's thickness is 2mm, providing a balance between durability and light transmission. The filter's material is N-BK7 Schott, a high-grade borosilicate glass known for its excellent optical properties, including low auto-fluorescence and high damage threshold.

The filter's coating is Opt FND-30, applied to both the front and back surfaces. This coating enhances the filter's performance by reducing surface reflections and improving light transmission. The filter's shape is that of a thin lens, further optimizing its light transmission capabilities.

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