FSQ-KG3 50.8 x 50.8 mm Heat Absorbing Glass Shortpass Filter VIS

The FSQ-KG3 is a high-quality shortpass filter designed for use in the visible light spectrum, manufactured by the reputable optical components vendor, MKS/Newport. This filter is characterized by its rectangular shape, with a width and height of 50.8 mm each, making it suitable for a wide range of optical applications.

The filter boasts a thickness of 3 mm, providing excellent durability and stability. It features a New KG-3 coating on both the front and back surfaces, which is specifically designed to absorb heat and protect the filter from damage due to excessive light exposure. This coating also enhances the filter's performance in blocking unwanted wavelengths, allowing only light with a wavelength of 588 nm or less to pass through.

The FSQ-KG3 filter is designed in the shape of a thin lens, which can be beneficial in certain optical setups. It is currently in stock and available for purchase through the Newport website, as indicated by its valid weblink status.