490FDS12 12.5 mm Dia. Shortpass Dichroic Filter 490nm

The 490FDS12 is a high-quality dichroic filter, sourced from Knight Optical, a leading vendor in the optical industry. This filter is designed with a circular shape, featuring a diameter of 12.5 mm and a thickness of 1.1 mm, making it suitable for a wide range of optical applications.

The filter is made from N-BK7 Schott, a popular optical glass known for its excellent optical properties and durability. The 490FDS12 is a shortpass dichroic filter, designed to transmit wavelengths below 490nm and reflect wavelengths above 490nm. This specific model has a cut-on wavelength of 932nm, ensuring efficient filtering of unwanted wavelengths.

The filter's coating is a critical component, enhancing its performance. Both the front and back surfaces of the filter are coated with KNI 490FDS-0, a proprietary coating developed by Knight Optical. This coating ensures optimal performance and longevity of the filter.

The 490FDS12 is currently in stock and available for immediate purchase. For more information, you can visit the vendor's website through the provided weblink. This filter is a reliable and efficient solution for applications requiring shortpass filtration.