Nikon LABOPHOT-2 Instructions Manual page 15

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In. tvltcRoscoPY
1 4 ) F o c u s a r d c e n t e r t h e c o n d e n s e r e n s ( F i g . 3 l 3 ) .
{ S e e p . 1 9 , M a n l p u l a t o n o f E a c h E l e m e n t 5 ) . )
1 5 ) B e v o v e t h e r e v o v i n g n o s e p i e c e l o t h e o b l e c t v e t o b e
u s e d a n d l o c u s o n t h e s p e c i m e n b y m a n r p u a n n g l h e
f i n e f o c u s o r c o a r s e l o c u s k n o b . ( S e e N o t e : 2 . )
W h e n u s i n g a n o l L i m m e r s i o n o b i e c t i v e , a d d o I t a k n g
care notto a low bubbles to exist betlveen the top ot the
o b l e c t v € a n d t h e s p e c l m e n ( S e e p . 2 3 , l v l a n p u l a t i o n
o f E a c h E l e m e n t S ) . )
1 6 ) W h e n t h e N D f l t e r c a s s e l t e l s u s e d , A d t u s t t h e b n g h t n e s s
b y s i d l n g t h e f l t e r n s e a r o n , / r e m o v a k n o b o f t h e N D
( S e e p 2 1 , M a n i p u l a l i o n o f E a c h E L e m e n r 8 ) . )
When the ND fiter cass€tte is not used. adjust the
b r g h t n e s s o f t h e a m p b y m a n p u a t i n g t h e b r i g h t n e s s
I7) Adlu$ the v e\44 eld d aphragm and the apenure
d i a p h r a g m b y m a n i p u a l i n g t h e i r c o n l r o l r i n g s .
{ S e e p 2 0 , M a n i p u a t o n o f E a c h E l e m € n t 6 ) a n d 7 ) . }
F i g . 3 1 3
1 4

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