16
RED
200 SERIES
3.3 Modification of biological microscope
3.3.1 Replace the eyepiece tubes
• Unscrew the head lock screw and take out the existing eyepiece tubes.(Figure 10a)
• Insert the new eyepiece tubes and its swallowtail ring slightly obliquely into the bottom of the two supports for the main unit.)
• Then slide the eyepiece tubes horizontally on the main unit and tighten the lock screw. (Figure 10b)
Unplug the biological microscope before making any modifications.
Figure 10a
Figure 10b
1
2
3.3.2 Replace the objective
• Lower the stage all the way with the coarse focus knob.
• Rotate the nosepiece to move the objective to be
replaced to the side.
• Unscrew the objective and remove it downward.
• Fix the new objective into the hole on the nosepiece.
Be very careful to match the threads correctly,
the objective should screw in smoothly and easily.
Make sure the objective is screwed in tightly.
• If one of the nosepiece holes is not used for
an objective, a dustproof cap should be screwed into
the vacancy to prevent dust from entering. (Figure 11)
Figure 11
Summary of Contents for RED 200 Series
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