FND-20C02-10 20 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm

The FND-20C02-10 is a high-quality Neutral Density Filter, unmounted and with a 20 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-20C02-10, is unique to this specific product, making it easily identifiable and accessible for future reference or reordering.

This Neutral Density Filter is made from N-BK7, a type of glass manufactured by Schott, which is known for its excellent optical properties. The filter's geometry includes a diameter of 20 mm and a thickness of 2 mm, making it a thin and lightweight option for various optical applications.

The filter's coating is a key feature, with both the front and back coated with OPT FND-10. This coating is designed to provide a reflective neutral density effect in the visible light spectrum, specifically within the wavelength range of 400-700 nm. This makes the FND-20C02-10 ideal for applications that require the reduction of light intensity while maintaining color neutrality.

In terms of shape, the filter is designed as a Thin Lens, which is beneficial for applications that require minimal interference with the light path. The filter's current status is 'in stock', indicating its availability for immediate purchase and delivery.