The protective glasses from Vision are specifically designed for use with PIXO and ERGO lenses and cover magnifications of 3x, 4x, 6x, 8x, and 10x. They are easy to attach and effectively protect the lenses from damage caused by condensation of steam, flux, or mechanical impacts such as scratches. Included in the package are a holder and three interchangeable glass covers, which allow for flexible handling and quick replacement. These protective glasses provide a reliable solution to ensure the longevity and functionality of your high-quality lenses.