TM 5-6675-317-14
8-4.4 Optical Microscope.
Control or Indicator
Function
Push-Pull Cam Switch
Switches lights on and
off.
Battery Cap
Removable cap allows two
C-cell batteries to be
replaced.
Barrel Lock Screw
Locks lens barrel in
position when tightened.
Main Body
Battery housing, lens
barrel holder, and opti-
cal microscope stand.
Illumination Slot
Light from 2.5 V bulb is
directed through this
slot.
Objective Lens
Fixed lens part of mag-
nifying optics.
Lens Barrel
Provides focusing move-
ment for objective and
eyepiece lens assembly.
Eyepiece
Removable eyepiece for
observing image.
8-5
