68-659 50 mm Dia. Traditional Coated Infrared (IR) Longpass Filter; t=1mm 2400nm

The 68-659 is a 50 mm diameter Infrared (IR) Longpass Filter, designed and manufactured by Edmund Optics. This filter is part of their extensive catalog, which includes a wide variety of optical elements sourced from vendors worldwide. The filter features a circular base shape and is made of Germanium Burnett material, ensuring high-quality performance and durability.

The filter's primary function is to allow light with wavelengths longer than 588 nm to pass through while blocking shorter wavelengths. This is achieved through a precise cut-on wavelength of 2400 nm, making it ideal for applications that require the use of infrared light. The filter's geometry includes a diameter of 50 mm and a thickness of 1 mm, providing a compact yet robust design.

The 68-659 filter is coated with EDM 33-969 on both the front and back surfaces. This coating enhances the filter's performance and longevity, making it suitable for use in various environments. The filter's shape is that of a Thin Lens, further optimizing its performance in specific applications.

According to the provided data, the filter is currently in stock and available for purchase through the Edmund Optics website. The link to the product page is provided for convenience, ensuring users can easily access detailed information and make informed purchasing decisions.