Olympus FH Manual de instruções - Página 7
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B.
MICROSCOPE HEAD
The mitroscope head of Model EH
microscope is inclined 45 degrees from the horizontal plane
so as to enable microscopic examination in the most natural posture and with
is
minimum
of fatigue.
As mentioned previously, the standard height of this instrument Is 380mm from the desktop.
This is ex.actly the height required for the average person to conduct microscopic examination In
the most natural sitting posture,
Thus, a special desk is abSOlutely unneceSSary when this MOdel
EH
microscope is
used.
The following four types of microscope
h~ad
are
available;
1.
Binocular head (Bi)
2.
Trinocular head (Tr)
3.
Upright head for photomicrography
4.
Monocular head
To mount the mu;:roscope head,
turn the
knurled rinB of the microscope fix.ing screw.
This witt fix the head properly to the arm and;
at the
sam~
time, secure precise optical align-
ment.
Microsc.ope h@:ad
fixing guide
360
0
Ranso of
adjustment
of direction
01 micro
scope head
B·1
Binocular Head
I
Microscope head filcing ring
Ttle above he.ads, with the exception of the
upright head for photomicrography, which remains
In a fix@d position, can be rotated through 360
0
horizontally,
The light from the objective reach@$ the eyepieces after being split into two by the semi.
transmissIve prism.
This head was designed taking Into consideration the Characteristic function
of the human eyes_
That is to say. the right and left optical axis are slanted slightly toward the center.
Furthermore,
the eyepieces can be adjusted according to the user's inter-pupillarv distance.
This is done by
sHpping out the dovetailed eyepieces.
The inter-pupillary distance Is shown On the scale between
the two eyepieces.
This operation is carr@d eye-width adjustment.
The scale readinBs are based
on BiWF lOX eyepie:ces.
Since one
e~e
is often weaker than
the other, this tube is equipped with a diopter adjustment
ring on the left eyepiece.
When the dioptric adjustment ring
is set at 2.ero, and the inter-pupillary distance scale reads
62, the mechanical tube measures aDoul 160mm long.
6