Chapter 2 Individual Operations
36
Chapter 2
Individual Operations
2.1
Focus Knob Rotation and Stage Movement
Both the coarse focus knob and the fine focus knob are located
on both right and left sides on the microscope. The table below
shows the relationship of the focus knobs' rotation with the stage
movement.
Focus Knob Rotation and Stage Movement
Operations Stage movement
Turn the knob toward the
front.
Stage is lowered.
Turn the knob toward the
rear.
Stage is raised.
TORQUE
CLAMP
P
O
WER
0
90
80
70
60
50
4
0
30
20
10
Stage Vertical Movement
2.2
Number of Focus Knob Turns and Distance of Stage Travel
Number of Focus Knob Turns and Distance of Stage Travel
No. of knob turns
Distance of stage travel
(vertical direction)
One rotation of the coarse focus knob Approx. 9.33 mm
One rotation of the fine focus knob Approx. 0.1 mm
One scale of the fine focus knob 1 µm
The vertical motion range (coarse/fine focus stroke) of the stage is from approximately 2 mm above the focal point
(reference position) to approximately 28 mm below the focal point.
Fine focus
knob
Coarse focus
knob
Stage is lowered.
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