Product   Surgical Telescopes
  Model   Looks 3500
  Field of view   Ø98mm @WD400mm
  Resolution   More than 30 lp/mm
  Image distortion   Less than 1%
  Image flatness   Less than 0.2 diopter
 
 
 
 
 Weight
  73.9 g
 Applicable Frame
  HT(Horn Titanium) Small / Large
 Color