EUSTOMA Clip-on Magnifying Glass, Mini Binocular Loupe, Attaches To GlassesGoggles, Lightweight, Metal Clip for Tighter Fit, 2.5x3.5x Magnification,

The main advantages of this magnifying glass series are a wide field of view, a long working distance, edge-to-edge clarity, and the ability to be disinfected with water disinfectant. It provides sufficient magnification, a wide field of view, and rich depth of field for everyday work and research. It provides a view that cannot be achieved with the naked eye, allowing you to see all targets. The lens edges and all internal metal and plastic surfaces are black, minimizing image contrast and producing exceptionally clear, sharp images. It can be easily attached to glasses, goggles, etc.