TM-9-1240-400-34-P
TELESCOPE; PANORAMIC: M115, ELBOW: M139, MOUNT: M138 AND M137
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1993
TM-9-1240-400-34-P - Page 16 of 344
TM 9-1240-400-34&P
1-10
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)
1-8
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