Et490-20X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter

The Et490-20X is a high-quality Bandpass Filter, sourced from the reputable vendor Chroma. This filter is specifically designed with a circular base shape, making it suitable for a wide range of optical applications. The filter boasts a diameter of 25 mm and a thickness of 1 mm, ensuring durability and precision.

The Et490-20X is a Bandpass Filter, which means it allows light to pass through a specific range of wavelengths while blocking out other wavelengths. The central wavelength (CWL) of this filter is 490 nm, and it has a cut-on wavelength of 480 nm and a cut-off wavelength of 500 nm. This precise wavelength range makes it ideal for applications that require narrow-band light transmission.

The filter is coated with a Sputter Hard Coating on both the front and back, specifically the 'chr et490 20x' coating. This coating enhances the filter's durability and performance, making it resistant to wear and tear. The filter's shape is classified as a Thin Lens, further adding to its versatility in optical systems.

The Et490-20X is currently in stock and available for purchase through the Chroma website. For more detailed information and specifications, users can refer to the catalog number 'Et490-20X' or visit the product link provided.