Made in USA, RayBan loupes Frame 2.5X  Expanded Field TTL from Rose Micro Solutions , an american brand from rose micro solutions,Its 100% pure glass lenses and high-definition lens body design make it suitable for use in most lighting conditions, although additional lighting may be required in some other situations Our Customized built-in TTL (Through The Lens) will be made specifically for any individual. Our 2.5 Expanded Field Loupe offers a 5" Field of View and 6" depth of field, giving you a wide range of motion.  Please Note:  Although we try to get your customized loupes to you as quickly as possible, it can take 4 weeks. Light Clip Option:   If you have a light you may opt to have the light clip installed onto the frame. The light clip is shown in the pictures above.