南斯拉夫萨拉热窝基础精密光学仪器公司——Zrak 公司正在采用西欧的象增强技术生产各种夜视装置。尽管南斯拉夫已经开始进口这些夜视装置所用的象增强管(荷兰奥尔特尔夫特公司想成为这些象增强管的提供者),但是 SDPR(国家供应和采购联邦管理局)在尼什建造的工厂现在正准备制造第一代和第二代管子。Zrak 公司声称,每年能制造1000多具夜视 Zakar, the company based in Sarajevo, Yugoslavia, is producing various night-vision devices using image enhancement technology in Western Europe. Although Yugoslavia has begun to import such intensifier tubes for these night-vision devices (Oltft, Holland wants to be such providers of intensifying tubes), the SDPR (National Federation of Supply and Procurement) The factory is now preparing to manufacture the first and second generation tubes. Zrak claims that it produces more than 1,000 night-vision images a year