FND-15C02-30 15 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm

The FND-15C02-30 is a high-quality Neutral Density Filter, unmounted and with a 15 mm diameter. This filter is sourced from OptoSigma, a renowned vendor in the optical industry, and is available for purchase through their website. The filter's catalog number, FND-15C02-30, is unique to this specific product, aiding in easy identification and tracking.

This Neutral Density Filter is designed for use in the visible light spectrum, specifically between 400 and 700 nanometers. The filter's thickness is 2mm, providing a balance between durability and light transmission. The filter's material is N-BK7 Schott, a high-grade borosilicate glass known for its excellent optical properties, including low auto-fluorescence and high damage threshold.

The filter's coating is Opt FND-30, applied to both the front and back surfaces. This coating enhances the filter's performance by reducing surface reflections and improving light transmission. The filter's shape is that of a thin lens, further optimizing its light transmission capabilities.