Made in USA, RayBan loupes (Club Master Frame Frame) 3.5X 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. This TTL is available in a variety of magnifications on this genuine Ray-Ban Club Master frame.  Available in Black and Tortoise Shell  Our 3.5 TTL Loupe offers a 3.0" Field of View and 3-4" depth of field. Please Note:  Although we try to get your customized loupes to you as quickly as possible, it can take 4 weeks.