NE2R60B Dia. 2 in Absorptive ND Filter; Optical Density 6.0

The NE2R60B is a Neutral Density Filter, specifically designed for applications requiring high optical density. Manufactured by Thorlabs, this filter boasts a catalog number of NE2R60B and is readily available for purchase through their official website.

This circular filter, with a diameter of 50.8 mm, is constructed from n-bk7 Schott, a material renowned for its excellent optical properties. The filter's thickness is 1.5 mm, contributing to its robustness and durability.

The NE2R60B features a Tho Ne60A coating on both the front and back surfaces, providing superior absorption capabilities. This coating ensures an optical density of 6.0, making it highly effective in reducing light intensity across the spectrum.

The filter's geometry is designed in a Thin Lens shape, optimizing its performance in various optical systems. The provided web link leads to the product's page on Thorlabs' website, where users can find more detailed specifications and purchase information.