N.
MANIPULATION
OF
EACH ELEMENT
1
)
Use
of Focusing Device
The
turn ng d reci
on of
the knob
and the directlon of
vert
cal
movement
of the stage are shown n Fig. 4.
One rotaton
ofthef ne
focus
knob movesthe stage 0.1mm and
the
graduation
on the fine focus knob s I micron. One rolation of the
coafse focls knob moves
the stage 12mm. The
range
of coarse
and f ne motion is 2mm
up and
28mm
down
from rhe standard
The coarse tocus knob tightens
by turnlng the
torque
adjustment
r ng
counrerc ocKWrse.
Never turn the riqht
or left knob while holdinq the other.
lt mav
cause
prootems.
Do
not turn the coarse focus knob Iurther than the limit.
Ftg.4
I
16