AND-40C-70 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-70 40 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm
OptoSigma's AND-40C-70 is a high-quality Neutral Density Filter, designed for use in the visible light spectrum, specifically between 400-700nm. This filter is unmounted, offering flexibility for integration into various optical systems.
The filter boasts a circular shape with a diameter of 40mm and a thickness of 2mm, making it a compact yet robust component. It is made from UVFS MAL-1965, a material known for its optical properties and durability.
The filter's coating is another notable feature. Both the front and back are coated with Opt AND-70, a coating that enhances the filter's performance and longevity. This coating contributes to the filter's overall 'Thin Lens' shape, which is designed to minimize optical aberrations and distortions.
The catalog number for this filter is AND-40C-70, and it is currently in stock. For more information, you can visit the product's webpage at https://www.optosigma.com/us_en/optics/filters/neutral-density-filters/absorptive-neutral-density-filter-unmounted-visible-round-40mm-70-AND-40C-70.html.