Vertical Stage Motion; Prohibited Actions; Knob Rotation Direction And Stage Motion Direction; Number Of Knob Turns And Distance Of Stage Travel - Nikon ECLIPSE 50i Instructions Manual

Vertical Stage Motion

3.4

Prohibited actions

3.4.1
Avoid the following actions, which can cause equipment malfunctions.
• Rotating the right and left coarse/fine focus knobs in opposite directions.
• Rotating the coarse focus knob past the stopper.

Knob rotation direction and stage motion direction

3.4.2
Turn the coarse or fine focus knob to raise or lower
the stage and to adjust image focus.
The coarse focus knob is located on either the right
side or the left side. A fine focus knob is provided
on both sides.
To lower the stage
To raise the stage

Number of knob turns and distance of stage travel

3.4.3
No. of knob turns
Coarse focus knob 1 turn
Fine focus knob
Fine focus knob
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.
Chapter 3 Individual Operations
3.4 Vertical Stage Motion
Turn the knob toward
the front.
Turn the knob toward
the back.
1 turn
1 graduation on scale
Fine focus knob
Distance of stage travel (vertical direction)
Approx. 13.8 mm
Approx. 0.1 mm
1 µm
40
Coarse focus knob