Ocular on TM559 Frame

All TTL loupes are custom made and ship in 6-8 Weeks To customize the TTL (Through-The-Lens) loupes to match your personal traits, we will need your pupillary distance (PD) measurement.  It is just a measurement of the distance between your pupils: The PD can be measured by any local optician (Costco, Target, Wal-Mart, etc) by using a pupilometer that every optician has.  This service is usually free  20% restocking fee for all customized TTL loupes Case included with each pair of loupes