Features: - Easy to adjust and with excellent stability. - Laser-printed scale lines are accurate and intuitive. - Ensure high resolution, clear, and sharp field of view. - Ergonomic design with optional materials and colors. - Besides protective shields, prescription lenses can also be fitted by an optometrist. - Our loupes are high strength and light. - Multi-layer coating technology, anti-fog, anti-scratch, anti-glare, to ensure more visible light through the glass.