Nikon LABOPHOT-2 Manuel d'instructions - Page 20

Parcourez en ligne ou téléchargez le pdf Manuel d'instructions pour {nom_de_la_catégorie} Nikon LABOPHOT-2. Nikon LABOPHOT-2 33 pages.

N i , M I A N I P U L A T I O N

O F E A C H E L E I V ] E N T

5 ) C e n t e r i n g t h e C o n d e n s e r L e n s

lBefore focLrsing nnd center ng the condenser ers, rmplemenr

M r c f o s c o p y p r o c e d ! f e f r o m

l ) t o l 3 ) a n d t o c u s o n r h e s p e c

m e n w r h

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)

F g . g 1

F i g . g 2

F t g . 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

t h e f l r e f o c l r s k n o b a f d f o r m a n m : g e o f t h e f e d d a p h r a g m o n

the spec men sLrdace by nran pLr atifg the condenser focus kn ob.

r l w -

, o

. h o . ^ 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

t h e s z e o l t h e l m a g e o f r h e f e l d d a p h r a g m t o b e s t g h r y s m a e r

llian the v ewf c cj of the eyep -.ce by manipu ai ng the v ewf e d

d a p h r a g n r c o n t r o r n g l F i S . I 0 3 ) .

l i

! '

Eyep ece vle!{.field stop

i,1..;

F i g . g 2

F i g . 1 0 1

F i g . I 0 2

9 1 O - 3

1 9