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Nikon ECLIPSE Ei User Manual

Nikon ECLIPSE Ei
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Chapter 3 Detailed Explanation
58
3.7 Torque Adjustment of the Coarse Focus Knob
The tension (torque) of the coarse focus knob rotation can
be adjusted.
To increase the tension, turn the coarse focus knob torque
adjustment ring counterclockwise.
To decrease the tension, turn the ring clockwise. Do not
decrease the tension too much. If it is too loose, the stage
will fall under its own weight.
3.8 Replacing a Specimen Using the Stage Vertical Movement
Stopper
When focusing on the specimen with 40x or higher
magnification objective, you will find the specimen is
brought very near to the objective
(*1)
.
In such a state, it will be very difficult to replace the
specimen while taking care not to break it. In a case like
this, use the stage vertical movement stopper for easy
specimen replacement.
The stage vertical movement stopper has the indication
(“FOCUS LIMIT” “HIGH/LOW”) that shows the direction of
the rotation and vertical movement. Operate the stage
vertical movement stopper according to the following steps.
(1) Turn the stage vertical movement stopper
counterclockwise (in the HIGH direction) until it stops.
(2) Focus on the specimen, and then turn the stage
vertical movement stopper clockwise (in the LOW
direction) until it stops. Rotating the stage vertical
movement stopper too much causes the set focal
point to shift.
(3) Performing the above steps sets the stage so that it
does not move above that position.
(4) Lower the stage by the focus knob, and replace the
specimen. After that, when turning the focus knob,
you can find that the stage stops near the position se
t
in (2).
(5) If the specimen is out of focus, turn the stage vertical
movement stopper counterclockwise (in the HIGH
direction) to release the set position, and then slightl
y
operate the fine focus knob to adjust the focus.
*1: The distance between the front of the objective and the
specimen when the specimen is in focus is called the
“working distance” of the objective. See Section 3.10,
“Microscope Terminology”.
Turn the stopper until it stops
(in the HIGH direction)
Focusing
Turn the stopper until it stops
(in the LOW direction)
When raising the stage by the focus knob, the stage stops
near the focused position. The stage does not move above
that position.
Increased
Decreased
Turn the
stopper until it
stops
(in the HIGH
direction)
Turn the
stopper until it
stops
(in the LOW
direction)

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Nikon ECLIPSE Ei Specifications

General IconGeneral
BrandNikon
ModelECLIPSE Ei
CategoryMicroscope
LanguageEnglish

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