3.5 TTL Loupe on RayBan Justin Frame

Description Our Customized built-in TTL (Through The Lens) will be made specifically for any individual.  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 4-6 weeks. How to Customize your Loupe Step One: Find your Frame and Magnification Step Two: Finding your IPD IPD: This is the measurement from the center of your face to each pupil.  This measurement needs to be taken by an optometrist. Step Three: Calculate your Working Distance You will need to measure your working distance. Click here to find your working distance.  For your order to be created, you will need to place your IPD and WORKING DISTANCE  in the notes area prior to checkout.  **If you have any prescription or readers please see the prescription tab for further information. (Contacts do not apply to this).** Prescription Do you wear glasses or ANY kind of reading correction?  If you would like to h