Prismatic 3.5x Flip-Up Loupe System | Dental & SurgicalPrismatic 3. 5x delivers clear, accurate magnification with strong depth perception suited to endodontic, restorative and surgical procedures. Built on the Hogies MaximEyes frame with a prismatic optical system engineered for detailed, close field work where accurate visualisation and reduced eye strain matter most. Prismatic 3. 5x optical system with strong depth perception for detailed procedures Fully adjustable interpupillary distance with