What is "i.o.r."

__NOTOC__

Întreprinderea Optică Română ("Romanian Optical Enterprise"), often abbreviated by the acronym IOR, is a major optics company established in 1936 in Bucharest, Romania. IOR produces military and civilian grade optics and associated equipment for export and domestic production. The company is known in North America particularly for its rifle scopes (the LPS 4x6° TIP2), binoculars and other optics, which often accompany Romanian military equipment sold on the North-American market, such as the PSD rifle.