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据1977年《步兵武器年鑑》报道,瑞典Jungner Instrument AB公司的光学分部,正在为其陆军的FFV500反坦克武器系统研制一种新型瞄准具。这种瞄准具命名为AS—2。它是一个电子光学瞄准具,既可测距又可求提前量,自动装定准确的仰角。 AS—2瞄准具由瞄准鏡、测距装置、提前量求取裝置和计算机组成。测距时,用两条发亮的水平线在目标上下进行调整。为了使视場內的两条水平线给出准确的距离,要求在战斗前,把目标的高度提供给仪器。因为在分划投影器中使用了一个连续变焦装置,所以水平线可用光学方法在一定范
According to the 1977 Infantry Arms Almanac, the optical division of Sweden's Jungner Instrument AB is developing a new type of sight for its Army FFV500 antitank weapon system. This sight is named AS-2. It is an electronic optical sight, both ranging and seeking advance, automatically set the correct elevation. AS-2 sight by the sight, ranging devices, advance amount of access devices and computer components. Ranging, with two shiny horizontal line in the target up and down to adjust. In order to give the exact distance between the two horizontal lines in the field of view, it is required that the height of the target be provided to the instrument before the battle. Because of the use of a continuous zoom device in the division projectors, horizontal lines can be optically measured at a certain range