High-resolution, high-contrast imaging; Accurate magnification with 6 and 9 magnification settings (customizable) Suitable for high-reflection products such as glass and wafers. Built-in fine adjustment up to 10mm with customizable length. High repeat positioning accuracy with repeatability up to 1um. Smooth and stable zoom process with minimal center shift. Made of high-hardness and wear-resistant materials for long service life. Universal ring light interface allows for flexible configuration of bottom or ring lighting sources as needed.