EQUIPMENT DATA - continued -820360039

TM 9-1240-375-34&P

0002 00

US CUSTOMARY

METRIC

M138A1 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 ................................................................................................

Batteries:

Quantity/Cell Size .......................................................................

1 each/size "C"

Voltage .........................................................................................

3 volts (each)

Weight ...............................................................................................

9 lb

4.08 kg

END OF WORK PACKAGE

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