日本帝國,東京第一陸軍造兵廠,93式 8X6.2 砲隊鏡 No.5213(The model 93 battery commander's telescope)《Black Water Museum Collections | 黑水博物館館藏》
The model 93 battery commander's telescope permits measurement of angle of site from -300 to +300 mils, as well as measurement of azimuth. An unusual feature is that the telescopes cannot be placed in a horizontal plane for better stereoscopic vision. It has an 8 X magnification and a 6° field of view.
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