47-619 25 mm Dia. Traditional Coated OD 2.0 Longpass Filter; t=3mm 650nm

The 47-619 is a Longpass Filter, sourced from the reputable optical components vendor, Edmund Optics. This filter boasts a circular shape, with a diameter of 25 mm and a thickness of 3 mm, making it suitable for a wide range of optical applications. The filter is designed to transmit light with a wavelength of 588 nm and above, while blocking light with shorter wavelengths.

The 47-619 filter features a coating on both the front and back surfaces, specifically the EDM 49-029 coating. This coating enhances the filter's performance and durability, ensuring reliable operation in various environments. The filter's geometry and physical data, including a cut-on wavelength of 650 nm, are carefully controlled during manufacturing to ensure consistent performance.

This filter is available for purchase through the Edmund Optics website, and the link provided indicates that it is currently in stock. The catalog number 47-619 can be used to reference this specific filter in discussions or orders.