1. 18K metal plating is more effective to protect the lens scratch-proof and cushioning.
2. 1:1 real machine opening accurate hole position clearer picture.
3. Aluminum-magnesium alloy material more wear-resistant.
4. The vacuum plating process is as durable as new.
5. Lightweight alloy material only 0.2mm thick not protruding at all.
6. Environmentally friendly adhesive firm and not loose does not hurt the lens does not leave residual glue easy to install.