NE02B Dia. 25 mm Absorptive ND Filter; Optical Density 0.2

The NE02B is a Neutral Density (ND) Filter, measuring 25 mm in diameter and 1.4 mm in thickness, sourced from the reputable vendor Thorlabs. This filter is designed to reduce the intensity of incident light without altering its color composition, making it an essential component for various optical applications.

The filter features a circular shape, crafted from the high-quality material N-BK7 Schott. This material is known for its excellent optical properties, including low auto-fluorescence, high homogeneity, and superior transmittance across a wide spectrum. The NE02B's ND properties are achieved through a specialized coating, denoted as 'tho ne02a' on both the front and back surfaces. This coating provides an optical density of 0.2, which corresponds to a reduction of 20% in light intensity.

The NE02B boasts a 'Thin Lens' shape, which is advantageous in applications where minimal thickness is required. The catalog number for this item is NE02B, and it is currently in stock. For more information, you can visit the following link: https://www.thorlabs.com/thorproduct.cfm?partnumber=NE02B