Biological_Microscope
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Pre-focusing Knob (Pig. 9)
©The profocusing knob controls the mechanism for preventing collision
between lne speclrrien and objectlve.
1. After bringing the specimen Into focus, turn the pre-focusing knob ®
inside the hole of the arm so that the pre-focuslng mechanism hits the
stage guide
2. To provide a certain margin for focusing, rotate the knob by about half
turn backward from the stopped position.
* lf the function Of this mechanism ls not required, set the pne-focuslng
knob ® at the highest position.
a I Adjusting the lntgrpupillary DIstanc-6
(Plo. 10)
©The interpupillary distance adjustment conslsts of regulating the two eyepieces
according to that between your eyes so that you can observe a
single microscopic image through two eyepieces. This greatly helps to
reduce fatigue during observation
• While looking through the eyepieces, move both eyepieces until the left
and right fields of view coincide completely.
The position of index dot . indicates the interpupillary distance value.
©Note your interpupillary distance so that it can be quickly duplicated
Pig, 10
a Ad|ust!ng the Diopter
(Plo.11)
®The dlopter adjustment consisls of compensating for the clliferenco ln
eyesight between your eyes.
1. Whlle looking through the right eyepiece with your right eye, rcttate
the coarse and fine focus adjustment kncibs to bring the specimen
Into focus.
2 While looking through the left eyepiece witr\ your left eye, rotate only the
diopter adjustment ring © to focus on the specimen.
Uslng the Eye Shades (Pig. 12)
When Wearing Eyeglasses
Use with the eye shades in the normal, foldedrdown position. Ttiis w"
prevent the eyeglasses from being scratched
When Not Wearing Eyeglasses
Extend the folded eye shades in the direction of the arrow to prevent
extraneous light from entenng between the eyepieces and eyes
Pig.12