Y,
IV]ANIPULATION
OF
EACH
ELEIV]ENT
2)
0ptical
Path
Change-0ver
in the Trinocular Eyepiece
Tube
Note)Binocular
eyepiece tube
B" does not have rhe
optical
path
change
-over
function.
10O%
of the light entefs the
observation
(1
)
When
using the
trinocular
eyepiece tube
"F"
Assho\/n
n Fig. 5 I. whentheobservarionrube
isturned
toward
the Lrser,
100%
of the lighr enters
the obsetuat on tube.
Asshown
n Fig 5 2, whentheobservatonrube
srevolved 60'left,
100%of thelighlentersrhevertica phototube.
1n eirhef case. turn
the tube
to the limit.
Fis.51
Fts.52
(2)
When
using the trinocular
eyepiece tube
'T"
Asshown n Fg.6. when
lhe change
over
knob is
pushed
unt t
reaches the imit
llt,
1O0%
of the ight enters the observarion rube
When the change
over knob feaches
the nlermediate cick
E,
rhe
propon
on ol I
ght
eftering the observarion rube
and
photo
tube w l
be 14r86
When the
change over knob is
pu
ed
ro rhe mll
El .
000;
rato
-.
a
t6p
oo L
o
Observaron ruba 1O0%
Fig. 6
17