AND-20C-70 20 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm

The AND-20C-70 is a high-quality Neutral Density Filter, offered by the renowned optical components manufacturer, OptoSigma. This filter is designed for use in the visible light spectrum, specifically absorbing light within the 400-700nm range.

The filter is circular in shape, with a diameter of 20mm and a thickness of 2mm, making it compatible with a wide range of optical systems. It is made from UVFS MAL-1965 optical glass, a material known for its excellent optical properties and durability.

The filter features absorptive coatings on both the front and back surfaces, identified as 'opt and-70'. This coating is designed to provide a consistent and uniform attenuation of light across the entire spectral range, ensuring accurate and reliable performance.

The filter is designed in a thin lens shape, minimizing the potential for optical aberrations and distortions. This makes it an ideal choice for applications that require high-precision optical performance.

The AND-20C-70 is currently in stock and available for purchase through the OptoSigma website. With its robust design, high-quality materials, and precise optical performance, this filter is an excellent choice for a wide range of optical applications.