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 TM 9-1240-375-34&P
0002 00
EQUIPMENT DATA - Continued
US CUSTOMARY
METRIC
M137A2/M137A3 Panoramic Telescope
Field of view .....................................................................................
10 degrees
Movement:
Azimuth counter ..........................................................................
6400 mils*
Azimuth (deflection) ....................................................................
6400 mils
Correction (AZ).............................................................................
95 mils
Elevation .....................................................................................
300 mils
Least increment reading (AZ) .....................................................
1.0 mils
Optical characteristics:
Clear eye distance........................................................................
0.88 in.
2.24 cm
Effective focal length:
Eyeshield ................................................................................
1.00 in.
2.54 cm
Objective .................................................................................
4.00 in.
10.16 cm
Exit pupil diameter......................................................................
7 mm
Field of view ................................................................................
10 degrees
Power .................................................................................................
4X
Batteries:
Quantity/Cell Size .......................................................................
3 each/size "C"
Voltage .........................................................................................
3 volts (each)
Weight................................................................................................
19 lb
8.62 kg
M138 Elbow Telescope
Elevation ...........................................................................................
60 mils
Field of view .....................................................................................
8 degrees
Optical characteristics:
Diopter adjustment......................................................................
4 diopters
Effective focal length:
Clear eye distance ..................................................................
6.6 in.
16.76 cm
Eyeshield ................................................................................
1.5 in.
3.81 cm
Objective .................................................................................
10 in.
25.40 cm
Exit pupil diameter ..........................................................................
7 mm
Field of view .....................................................................................
8 degrees
Power .....................................................................................................
8X
Radioactive material:
Max surface radiation ......................................................................
0 millirad per hour
Tritium H3 .........................................................................................
4.4 curies
Weight ....................................................................................................
8 lb
3.63 kg
___________
*lncreasing counterclockwise.
0002 00-16
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