Et640-30X R 26 mm x 38 mm Sputter Hard Coated; Bandpass Filter

The Et640-30X is a Bandpass Filter, specifically designed and manufactured by Chroma. This filter is a crucial component in various optical systems, offering a narrow passband that allows specific wavelengths to pass through while blocking others.

The filter has a base shape of a Rectangle, with a width of 26 mm and a height of 38 mm, making it suitable for various optical applications. It boasts a thickness of 1 mm, ensuring durability and stability in its placement within an optical system.

The Et640-30X operates at a central wavelength of 640 nm, making it ideal for applications that require this specific wavelength. The filter's physical data includes a cut-on wavelength of 625 nm and a cut-off wavelength of 655 nm, ensuring a tight passband and excellent rejection of out-of-band wavelengths.

The filter is coated with a Sputter Hard Coating on both the front and back surfaces, enhancing its durability and resistance to wear and tear. This coating also aids in maintaining the filter's performance over time, ensuring consistent optical performance.

The filter's shape is classified as a Thin Lens, suggesting that it may have lens-like properties or be used in conjunction with lenses in an optical system. The catalog number for this filter is Et640-30X, and it can be found on Chroma's official website, where it is currently in stock.