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)

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.