ERGO TTL on Titanium Frame

Description Say Goodbye to Bowing your head.  Our ergonomic design reduces cervical fatigue and can extend a professional's career. Light weight and installed onto our Titanium frame, this ergo loupe  provides comfort for all day use.  Magnification: 3.5  Field of View: 3" Depth of Field: 5" Weight: 2.0 ounces or 2.3 ounces Working Distance: Made per your request. (From 16-22") 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.  What we need from you 1.) IPD: This is the measurement from the center of your face to each pupil.  If you see an optician, your IPD will be on file. Please contact us if you have any problems getting this very important measurement. 2.) Working Distance: You will need to measure your working distance. Your working distance is the measurement from your pupil to your working area.       -First you will place yourself in your usual working position.      -S