Chapter 3 Individual Operations
3.4 Stage Vertical Movement (Focusing)
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3.4
Stage Vertical Movement (Focusing)
3.4.1
Prohibited Actions
Avoid the following actions, which can cause equipment malfunctions. Never do them at all.
• Rotating the right and left coarse/fine focus knobs in opposite directions.
• Rotating the coarse focus knob past the stopper.
3.4.2
Knob Rotation and Stage Movement
To move the stage up/down, rotate the coarse
focus knob or the fine focus knob located on both
sides of the microscope.
You can move the stage up/down to focus on the
specimen by rotating these knobs.
To lower the stage Turn the knob toward the front.
To raise the stage Turn the knob toward the back.
3.4.3
Number of Knob Turns and Distance of Stage Travel
Number of knob turns Distance of stage travel (vertical direction)
Coarse focus knob 1 turn Approx. 13.8 mm
Fine focus knob 1 turn Approx. 0.1 mm
Fine focus knob 1 notch
1 µm
The vertical motion range (coarse/fine focus stroke) of the stage is from 2 mm above the focal
point (reference position) to approximately 28 mm below the focal point.
Coarse focus knob
Fine focus knob
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