AND-20C-30 20 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm
- Type
- Filter
- Subtype
- Neutral Density Filter
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 20 mm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4599108862211283
- λ
- 550 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
AND-20C-30 20 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm
The AND-20C-30 is a high-quality Neutral Density Filter, unmounted and round, with a diameter of 20 mm. This filter is designed for use in the visible spectrum, specifically absorbing light within the 400-700nm range. It is sourced from OptoSigma, a renowned vendor in the optical industry, and is identified by the catalog number AND-20C-30.
This filter is made of UVFS MAL-1965 optical glass, a material known for its excellent optical properties. The filter features a thickness of 2 mm, making it suitable for a wide range of optical applications. The front and back of the filter are coated with OPT AND-30, a coating that enhances the filter's performance and durability.
The AND-20C-30 filter has a shape that is described as a Thin Lens, which is a design that minimizes optical aberrations and distortions. This filter is currently in stock and available for purchase through the vendor's website, with a direct link provided in the item data for your convenience.
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