AND-40C-30 40 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm
- Type
- Filter
- Subtype
- Neutral Density Filter
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 40 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-40C-30 40 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm
OptoSigma's AND-40C-30 is a high-quality Neutral Density Filter, designed to reduce the intensity of light without altering its color composition. This filter is specifically engineered for use in the visible light spectrum, with a wavelength of 550nm.
The filter is circular in shape, boasting a diameter of 40mm and a thickness of 2mm, making it compatible with a wide range of optical systems. It is crafted from UVFS MAL-1965 optical glass, a material known for its excellent optical properties and durability.
The filter's coating is another notable feature. Both the front and back surfaces are coated with Opt AND-30, a specialized coating that enhances the filter's performance and longevity. This coating helps to minimize reflections and improve transmission, ensuring optimal image quality.
The filter's geometry is that of a thin lens, which aids in its integration into various optical systems. The filter is currently in stock and available for purchase through the provided weblink.