Olympus Pom 사용 설명서 - 페이지 10
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BODY
Iris Diaphragm:
When the Bertland lens is inserted
the specimen forms its image at the
vicinity of the iris diaphragm lin the
middle of the head!.
When an observ-
er's interest is centered at a certain
portion of the specimen, this diaphragm
is used to cover up the
unnecessary
portions.
.Inserting
Ond
Rotating Lever for the
Analyzer:
When the lever is pulled out to the
fullest, the analyzer is set in the optical
path.
It
can he rotated throngh 90°
as illustrated.
The analyzer is usually
kept in the optical
path during the
observation,
except
for
a standard
observation.
When the lever is pushed in as
illustrated, the analyzer will not work
and this is
the position
used for a
normal observation.
Head:
The inclined head with an angle of 30°,
when the instrument is placed on a desk of the
normal height, avails the observer a comfortable
of the observation, as the eyepiece will position
at the height of approximately 36el1l from
the
bed.
Bertland Lens:
Set at the iower part of the inclined head
is the shifting knob for the Bertland lens along
with its centering knob.
With this lens on, the
interferential figure formed at the back focusing
plain of the objective mav be observed.
)