TM 9-1240-400-34&P
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EQUIPMENT DATA.
All decimal measurements have been rounded off to the nearest tenth.
a. M115 Panoramic Telescope.
(1) Magnification ................................................................................................................................. 4 power
(2) Field of View............................................................................................................................. 10 degrees
(3) Exit Pupil Diameter ............................................................................................................0.2 in (4.1 mm)
(4) EFL, Objective .................................................................................................................. 4.0 in (10.1 cm)
(5) EFL, Eyepiece..................................................................................................................... 1.0 in (2.5 cm)
(6) Elevation Range............................................................................................................. +300 to -300 mils
(7) Length ............................................................................................................................... 9.6 in (24.4 cm)
(8) Height.............................................................................................................................. 11.0 in (27.9 cm)
(9) Weight ....................................................................................................................8.0 lb (3.6 kg) (approx)
b. M138 Telescope Mount.
(1) Deflection (Azimuth)........................................................................................................... +12 to -12 mils
(2) Elevation .................................................................................................................. +444.5 to -444.5 mils
(3) Length ............................................................................................................................... 9.6 in (24.4 cm)
(4) Width ................................................................................................................................. 5.3 in (13.3 cm)
(5) Height................................................................................................................................ 4.5 in (11.4 cm)
(6) Weight .................................................................................................................................. 3.0 lb (1.4 kg)
c.
M137 Telescope Mount.
(1) Elevation ........................................................................................................................ +1333 to -89 mils
(2) Elevation Correction............................................................................................................... +9 to -9 mils
(3) Cross-Level (Cant) .......................................................................................................+20 to -20 degrees
(4) Incremental Reading (Counters) ........................................................................................................ 1 mil
(5) Length ............................................................................................................................. 14.1 in (35.9 cm)
(6) Width ................................................................................................................................. 9.8 in (25.8 cm)
(7) Height................................................................................................................................. 13 in (33.0 cm)
(8) Weight .............................................................................................................................. 38.0 lb (17.3 kg)
d.
M139 Elbow Telescope.
(1) Magnification ................................................................................................................................. 3 power
(2) Field of View................................................................................................................ 13 degrees, 20 min
(3) EFL, Objective .................................................................................................................. 4.1 in (10.5 cm)
(4) EFL, Eyepiece..................................................................................................................... 1.4 in (3.5 cm)
(5) Length ............................................................................................................................... 4.3 in (10.8 cm)
(6) Height................................................................................................................................ 5.8 in (14.6 cm)
(7) Weight .................................................................................................................................. 2.4 lb (1.1 kg)
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