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V . I \ I A N I P U L A T I O N
O F E A C H E L E M E N T
Transparent Cover
l\4ounl lhe lransparentcover
lo protectthef llefs from dust (Fig. 13-1)
When the ND filter cassette s removed, attach the tfansparent cover
on the fie d Lens (F g. I 3 2) However, remove the cover dur ng
observai on or phoiom crograph ng w th the v e\,4 e d d aphragm
(2) Filter receptacle
F ltefs wth an outer d ametef of 45mm can be p aced on the f tef
r e c e p l a c l e o f t h e t e d d a p h r a g r n p a r t .
f t h e t h c k n e s s o f t h e f l t e r
s l e s s t h a n 4 . 5 m m , N D f l t e r c a s s e t t e
c a n b e m o u n r e d w i t h t h e l l l e r
p aced on the f ler receplac e.
- h - r 6 . . 6
6
p , - n t
. , .
, - .
-
, h "
5 h o . . n
h - " b l -
below are conven efty used placifg them on the f ter receptac e.
F t s . 1 3 2
N C B ]
F o r l e . e r a m . r o s c o p ! a n d . . . r
G , c : f n L e , J c r e ' - e t u t ! r
F . r m . f . s . . p r o i r r h a s e
n r o n o . i r o m e p n . i o n . r o ! f a p n y
HE
F o r h e m a t o r y n e o s n s t a n n O
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