FND-15C02-50 15 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm
- Type
- Filter
- Subtype
- Neutral Density Filter
- Brand
- OptoSigma
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-15C02-50 15 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm
This is the FND-15C02-50, a 15 mm diameter unmounted Neutral Density Filter from OptoSigma. The filter is made of N-BK7 Schott, a high-quality borosilicate glass known for its excellent optical properties, making it suitable for various applications in the visible spectrum.
The filter features a reflective neutral density coating on both the front and back surfaces, denoted as 'opt fnd-50'. This coating is designed to reduce the intensity of light passing through the filter without altering its color balance, providing a uniform attenuation across the visible spectrum (400-700nm). The coating also offers high damage threshold and excellent environmental stability.
The filter has a thickness of 2mm, which is considered 'thin' in optical terms. This thinness can be beneficial in certain applications where maintaining a compact setup is crucial. Despite its thinness, the filter maintains high optical quality and durability.
The FND-15C02-50 is currently in stock and available for purchase through the OptoSigma website. The link to the product page is provided in the item data for your convenience.
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