Donegan Optical AL-17 Optical Grade Acrylic Lens Plate for The OptiVISOR and AccurSITE Series, 2.75x Magnification, 6" Focal Length.
Donegan Optical AL-17 Optical Grade Acrylic Lens Plate for The OptiVISOR and AccurSITE Series, 2.75x Magnification, 6" Focal Length.