TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-401-34&P 1-9. EQUIPMENT DATA M146 TELESCOPE MOUNT PHYSICAL CHARACTERISTICS Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19.875 in. (504.8 mm) Width ................................................................................................................................................ 6 in. (152.4 mm) Height.. ...................................................................................................................................... 6.25 in. (158.8 mm) Weight.. .............................................................................................................................................. 33 lb (14.97 kg) ADJUSTMENT RANGES Boresight elevation ......................................................................................................................................... 10 mils Boresight deflection ......................................................................................................................................... 10 mils M118A2/M118A3 ELBOW TELESCOPE PHYSICAL CHARACTERISTICS Length ........................................................................................................................................... 38 in. (965.2 mm) Width, including eyepiece ................................................................................................................. 18 in. (457.2 mm) Height ........................................................................................................................................... 7.5 in. (190.5 mm) Weight ............................................................................................................................................ 44 Ibs (19.96 kg) OPTICAL CHARACTERISTICS Power .................................................................................................................................................................... 4X Field of View ......................................................................................................................................................... 10° Exit pupil diameter.. ....................................................................................................................... 0.236 in. (5.99 mm) Effective focal length: Objective.. ......................................................................................................................... 7.037 in. (178.74 mm) Eyepiece ........................................................................................................................... 1.771 in. (44.98 mm) MOVEMENT Axial cant correction .......................................................................................................................................... +5° Minor, level ...................................................................................................................................................... 100° Eyepiece arm operative range ............................................................................................................................ 20° 1-22