Use Of The Microscope; Microscope Switch On; Light Intensity Adjustment; Centering The Bulb - Optika IM-3 Serie Manual De Instrucciones

9.

Use of the microscope

9.1

Microscope switch on

Put the main switch ① to "I" (ON) to turn on the
microscope. (Fig. 19)
9.2

Light intensity adjustment

Rotate the light intensity adjustment knob ② to
increase / decrease the illumination voltage. (Fig. 20)
9.3

Centering the bulb

1. Remove one objective from the nosepiece and
put the empty hole in the optical path.
2. Put a piece of paper on the stage, slightly unscrew
the knurled ring of the focus adjustment lever ③
on the lamp housing and rotate it counteclockwise
until the bulb filament is in focus on the paper.
(Fig. 21)
• If the bulb filament is not in the center of the
light path, the resulting image will be not evenly
illuminated. In this case a re-centering is needed.
3. Rotate the centering screws ④ on the right side
of the lamp housing to bring the bulb filament in
the center of the field of view.
4. At the end fully rotate the focus adjustment lever
③ clockwise and screw the knurled ring to fix the
lever into its position.
5. Reinstall the objective.
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①
②
③
④
Fig. 19
Fig. 20
Fig. 21
Fig. 22