Focusing; Adjusting The Bracket; Adjusting The Focusing Tension - Unitron EXAMET-4 User Manual

OPERATION
Fig. 14
Fig. 15
Fig. 16
®
UNITRON
(continued)
73 Mall Drive, Commack, NY 11725 • 631-543-2000 • www.unitronusa.com
EXAMET-4 SERIES MICROSCOPE
Focusing (Fig. 14)
Place a specimen on the stage and secure it
with the clips.
Turn the 5X objective into the light path.
Loosen the coarse adjustment knob  and
observe the specimen through the right
eyepiece with your right eye. Rotate the coarse
focusing knob  until the image appears in the
field of view, then lock the coarse adjustment
knob .
To see sharpen or see more detail in the
specimen, rotate the fine focusing knob .
NOTE: the coarse adjustment limit stop
prevents the sample from touching the objective.
Adjusting the Bracket (Fig. 15)
Specimens may be observed up to 25mm. For
specimens over 25mm, you need to adjust the
bracket.
Hold the bracket and loosen the bracket lock
screw  with the included Allen (hex wrench).
Move the bracket to the appropriate position,
and tighten the bracket lock screw .
Adjusting the Focus Tension (Fig. 16)
To adjust tension, hold both left and right focus
adjustment knobs ① with both hands, hold the
left knob (to prevent it from turning), and rotate
the right knob clockwise to increase (tighten) or
counterclockwise to decrease (loosen) the focus
knob tension.
After tension adjustment has been completed,
always rotate both adjustment knobs in the
same direction.
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