Ni,
MIANIPULATION
OF EACH ELEIV]ENT
5) Centering the
Condenser
Lens
lBefore
focLrsing
nnd center ng the
condenser ers, rmplemenr
Mrcfoscopyproced!fefrom
l)to l3)andtocusonrhespec
menwrh
the I 0X objecrive.l
(1
I
C
ose ihe f e d d
aphragl.f to irs srnal
esl size by man
pu
ar ng rhe
ie d di;phragm
contro I
nq. Rotate the co|lder]ser focLrs
knob to
move the
ccndenser vertica ly
so ihat a sharp .iage
ol
the f
e d
djaphragrn
s formed
on the spec men sLrrface
(F
g
9 I
,2
afd 3)
Fg.g 1
Fig.g 2 Ftg.g
3
(2)
f the
nrage decenters
irom the v e',,,.f -.ld
of
the
eyepiece, bring i
roughly to
the cenier
ol
lhe !
e\,!iie d by rneans
ol
rhe
condensef
cenier ng
screu,s
iF g
I
0
I
and 2).
13)
Ch:nge to the
40X objectv,.
FocLrs oI Lhe spec men by tLrfn ng
the flre
foclrs knob
afd
form
an m:geofthefeddaphragmon
the spec men
sLrdace by nran
pLr
atifg the condenser focus kn
ob.
rlw- p
,o
.ho.^a
1lo t-re center
of
the !
ev\4 e d by means
ofthe condenser cefter ng
scr-.\",'s
At thrs t me, the
centerifg wit befac rared
byadj!sIfg
the sze
olthe lmage of rhef
eld daphragm to be stghrysma
er
llian the v ewf
c cj of the eyep -.ce
by
manipu
ai ng the v ewf e d
d aphragnr
contro r ng
lFiS.
I0 3).
li
,h
I
!'
Eyep ece vle!{.field stop
i,1..;
Fig.g 2
Fig.10 1
Fig.I0 2
91O-3
19
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