AND-40S-30 40 x 40 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm

The AND-40S-30 is a high-quality Neutral Density Filter, offered by the renowned optical components manufacturer, OptoSigma. This filter is designed to minimize the intensity of light passing through the optical path without altering its color composition.

The filter boasts a base shape of 40 x 40 mm, making it suitable for a wide range of optical applications. It is made of optical glass, a material known for its excellent optical properties, including high transmittance, low dispersion, and excellent homogeneity. The filter's thickness is 2 mm, providing robustness and stability to the optical system.

The AND-40S-30 features a coating of "opt and-30" on both the front and back surfaces. This coating enhances the filter's performance by reducing its reflectance, thereby increasing its transmittance. The coating also provides protection to the filter against environmental factors, ensuring its longevity and durability.

The filter is designed to operate within the visible spectrum, specifically between 400 and 700 nm. This makes it ideal for applications involving visible light, such as photography, beam shaping, and laser applications.

In terms of geometry, the filter follows a Thin Lens shape, which is advantageous in reducing optical aberrations and improving the overall performance of the optical system.

The filter is currently in stock and available for purchase. For more information, please refer to the vendor's website using the provided weblink.