The 36-269 25 mm Dia. Hoya ND-006 Absorptive Neutral Density (OD 3.5) Color Filter is a high-quality optical component designed for a wide range of applications. Sourced from the renowned vendor Edmund Optics, this filter boasts a catalog number of 36-269 and is available for purchase through their official website, where it is currently listed as in stock.
This filter is a part of the Color Glass category, specifically a Circular-shaped filter. It is made from the material UVFS MAL-1965, and features a diameter of 25 mm and a thickness of 2.5 mm. The filter's coating is uniform, with the same treatment applied to both the front and back surfaces. This coating is identified as EDM 36-268.
The filter's geometry is shaped as a Thin Lens, and it is designed to work optimally with a wavelength of 588 nm. The filter's neutral density is 0.06, which corresponds to an optical density of 3.5. This high optical density makes it ideal for applications that require significant light reduction.