ARMY TM 9-1240-379-34
MARINE CORPS TM 04332A-34
1-10. EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES. (cont)
( 3 ) Unity power system:
Horizontal field of view . . . . . . . . . . . . . . . . . . . . .
Vertical field of view . . . . . . . . . . . . . . . . . . . . . .
targets. The visible 8X system is
c. Features. Each model of
divided into one system for visi-
tank periscope consists of three
ble light observation of targets
separate and independent col-
Iimated units: head assembly,
f i g h t i n g targets.
daylight body assembly, and in-
frared body assembly (night vi-
sion device for M32 and M32C)
( 2 ) The M32E1 and
M32CE1 tank periscopes have
or elbow assembly (night vision
device for M32E1 and M32CE1).
three optical systems consisting
of a unity power system for
wide, close-up vision of the ter-
( 1 ) The M32 and M32C
rain; a visible 8X system for visi-
tank periscopes contain a unity
ble daylight sighting of targets;
power system for wide, close-up
and a passive 7.1X system for
vision of the terrain and a visible
night sighting of targets.
8X system for sighting distant
1-11. LOCATION AND DESCRIPTION OF MAJOR COMPONENTS.
a. Head Assembly (1). Light-gathering
instrument; serves as input source for
daylight and night sighting systems. An in-
ternal mirror can be rotated from a depres-
sion of 18 degrees to an elevation of 22
degrees from the line of sight; rotation is
limited to gun elevation capabilities.
b. Daylight Body Assembly (2). Installed
in left opening of head assembly. Houses
visible 8X system. Monocular unit con-
sisting of etched reticle positioned by
deflection and elevation boresight knob
assemblies for gun laying, adjustable
diopter eyepiece, and an incandescent lamp
to illuminate the reticle.